{"id":235,"date":"2023-07-10T19:00:18","date_gmt":"2023-07-10T19:00:18","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/"},"modified":"2023-07-10T19:00:18","modified_gmt":"2023-07-10T19:00:18","slug":"%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/","title":{"rendered":"\u5186\u5468\u65b9\u7a0b\u5f0f"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5e38\u65b9\u7a0b\u5f0f\u3001\u4e00\u822c\u65b9\u7a0b\u5f0f\u3001\u305d\u306e\u4ed6\u306e\u7a2e\u985e\u306e\u5186\u5468\u65b9\u7a0b\u5f0f\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u304c\u6b63\u3057\u3044\u5834\u5408\u306a\u3069\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u60c5\u5831\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306e\u4f8b\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u5186\u5468\u306e\u5206\u3001\u89e3\u3044\u305f\u7df4\u7fd2\u554f\u984c\u3067\u7df4\u7fd2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-ordinaria-de-la-circunferencia\"><\/span>\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5186\u5468\u65b9\u7a0b\u5f0f\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u524d\u306b\u3001\u5186\u5468\u306e\u6982\u5ff5\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u5186\u5468\u3068\u306f\u3001\u4e2d\u5fc3\u3068\u547c\u3070\u308c\u308b\u56fa\u5b9a\u70b9\u304b\u3089\u7b49\u8ddd\u96e2\u306b\u3042\u308b\u5e73\u9762\u4e0a\u306e\u70b9\u306e\u8ecc\u8de1\u3067\u3059\u3002 <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/equation-de-circonference-1.webp\" alt=\"\u5186\u306e\u65b9\u7a0b\u5f0f\u306f\u4f55\u3067\u3059\u304b\" class=\"wp-image-1991\" width=\"288\" height=\"273\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u4e0a\u306e\u3059\u3079\u3066\u306e\u70b9\u306f\u305d\u306e\u4e2d\u5fc3\u304b\u3089\u306e\u8ddd\u96e2\u304c\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u5186\u306f\u3001\u6955\u5186\u3001\u653e\u7269\u7dda\u3001\u53cc\u66f2\u7dda\u3068\u4e26\u3076 4 \u3064\u306e\u5186\u9310\u65ad\u9762\u306e 1 \u3064\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u5186\u9310\u3092\u5e95\u9762\u306b\u5e73\u884c\u306a\u9762\u3067\u5207\u308b\u3068\u5186\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30ab\u30eb\u30c8\u5e73\u9762\u5185\u306e\u5186\u3092\u8a18\u8ff0\u3059\u308b\u6700\u3082\u7c21\u5358\u306a\u65b9\u6cd5\u306f\u3001\u305d\u306e\u5e38\u65b9\u7a0b\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u5468\u306e\u5e38\u65b9\u7a0b\u5f0f\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<div style=\"background-color:#FFCC8080;padding-top: 20px; padding-bottom: 0.5px; padding-right: 30px; padding-left: 30px; border: 2px solid #FFB74D; border-radius:20px;\">\n<p style=\"text-align:left\"><strong>\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u306f\u6b21<\/strong>\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"text-align:left; margin-bottom:4px\">\u91d1\uff1a<\/p>\n<ul>\n<li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5186\u306e\u534a\u5f84\u3067\u3059\u3002<\/li>\n<li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u5186\u306e\u4e2d\u5fc3\u306e\u5ea7\u6a19\u3067\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f5efef3ea46a765419553313f5ca6ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -5px;\"><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<p>\u3061\u3087\u3063\u3068\u9762\u5012\u306a\u306e\u3067\u8aac\u660e\u306f\u3057\u307e\u305b\u3093\u304c\u3001\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u30d4\u30bf\u30b4\u30e9\u30b9\u306e\u5b9a\u7406\u304b\u3089\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3092\u4f7f\u7528\u3057\u3066\u3001\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u304c\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u70b9\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u534a\u5f845\u306e\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u3092\u6c42\u3081\u307e\u3059\u3002\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-61ed8ca74441b9c9ed7efef1a47bd204_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(3,-1).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"72\" style=\"vertical-align: -5px;\"><\/p>\n<\/li>\n<\/ul>\n<p>\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u672a\u77e5\u306e\u3082\u306e\u3092\u7f6e\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u534a\u5f84\u306e\u5024\u3068\u672a\u77e5\u6570\u306b\u3088\u308b<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5186\u306e\u4e2d\u5fc3\u306e\u5ea7\u6a19 X \u3068 Y \u306b\u3088\u3063\u3066\u305d\u308c\u305e\u308c\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b3bfb9b8a5a2dfb5d73ed3986567c4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-3)^2+(y-(-1))^2=5^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"211\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5847df3cfa46d4ba66d0caba4026dabe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(x-3)^2+(y+1)^2=25}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-general-de-la-circunferencia\"><\/span>\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5225\u306e\u30bf\u30a4\u30d7\u306e\u5186\u5468\u65b9\u7a0b\u5f0f\u306f\u4e00\u822c\u65b9\u7a0b\u5f0f\u3067\u3042\u308a\u3001\u5b9f\u969b\u3001\u3053\u308c\u304c\u6700\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u6b21\u306b\u3001\u5e38\u65b9\u7a0b\u5f0f\u304b\u3089\u4efb\u610f\u306e\u5186\u5468\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u79c1\u305f\u3061\u304c\u9a5a\u304f\u3079\u304d\u540c\u7b49\u6027 (\u307e\u305f\u306f\u9a5a\u304f\u3079\u304d\u88fd\u54c1) \u3092\u958b\u767a\u3057\u305f\u5834\u5408:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a4d2b00fd17214927aa165291c8aebce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+a^2-2ax+y^2+b^2-2by=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"269\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f787480794d72c03ba5880758dedeee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2-2ax+y^2-2by+a^2+b^2-r^2=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"300\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3053\u3053\u3067\u3001\u5909\u6570\u3092 3 \u3064\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0f0414589c97ababc91d90e8b4d76f3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A=-2a \\qquad B=-2b \\qquad C=a^2+b^2-r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"337\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u5186\u5468\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div style=\"background-color:#FFCC8080;padding-top: 20px; padding-bottom: 0.5px; padding-right: 30px; padding-left: 30px; border: 2px solid #FFB74D; border-radius:20px;\">\n<p style=\"text-align:left\">\u3057\u305f\u304c\u3063\u3066\u3001<strong>\u5186\u5468\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f<\/strong>\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\">\u3053\u3053\u3067\u3001\u5186\u306e\u4e2d\u5fc3\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e64305413efd35fdc4d0650acf78623d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{A}{2}, -\\frac{B}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\">\u305d\u3057\u3066\u3001\u5186\u306e\u534a\u5f84\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ee6df58c142869c04d0db23bda17b0fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r=\\sqrt{\\left(\\frac{A}{2}\\right)^2 +\\left(\\frac{B}{2}\\right)^2-C}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"211\" style=\"vertical-align: -19px;\"><\/p>\n<\/p>\n<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u5186\u5468\u65b9\u7a0b\u5f0f\u306f\u5e38\u306b\u5e38\u65b9\u7a0b\u5f0f\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u308b\u304b\u3092\u793a\u3059\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u70b9\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u534a\u5f846\u306e\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u3092\u6c42\u3081\u307e\u3059\u3002\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-39163542e992aade309d98d420e1a89e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(2,4).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"58\" style=\"vertical-align: -5px;\"><\/p>\n<\/li>\n<\/ul>\n<p>\u307e\u305a\u3001\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u5f7c\u306e\u516c\u5f0f\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0b24acf89d8fb3cfb6b48d8ce985f3e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-2)^2+(y-4)^2=6^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u5186\u5468\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u3001\u3064\u307e\u308a\u5358\u7d14\u5316\u3067\u304d\u306a\u304f\u306a\u308b\u307e\u3067\u64cd\u4f5c\u3092\u7d9a\u3051\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-68b827aa8155ab22926ac9ab1ae78745_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2^2-2\\cdot x \\cdot 2+y^2+4^2-2\\cdot y \\cdot 4=36\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"324\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e6651ecf7c153c784e8a0c7e01522be4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+4-4x+y^2+16-8y=36\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"249\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0e0dcac8662f04c52e566c31069c1615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2-4x+y^2-8y+4+16-36=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"279\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e73476ebd4ceb89a5683bcb06af09eda_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2-4x+y^2-8y-16=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cdb5e1831804822235795e661323b911_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x^2+y^2-4x-8y-16=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u554f\u984c\u3067\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u898b\u3064\u304b\u3063\u305f\u65b9\u7a0b\u5f0f\u306e\u4e2d\u5fc3\u3068\u534a\u5f84\u3092\u8a08\u7b97\u3057\u3066\u3001\u305d\u308c\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5186\u306e\u4e2d\u5fc3\u3092\u6c7a\u5b9a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u5f0f\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e64305413efd35fdc4d0650acf78623d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{A}{2}, -\\frac{B}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a0eb46f8005ca0cb4418d019c01d090b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{-4}{2}, -\\frac{-8}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"128\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8350046e2eed3457177b5d4c040fcdcf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\bigl(-(-2), -(-4)\\bigr)\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"137\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa2b1a6a7b85d8f05bf091b50d99e060_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(2,4\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"56\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u5b9f\u969b\u3001\u5186\u306e\u4e2d\u5fc3\u306f\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4e2d\u5fc3\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u6b21\u306e\u5f0f\u3067\u5186\u5468\u306e\u534a\u5f84\u3082\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-04dc99d462a8ceb5e6dca936999a4ce8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{aligned} r &amp; = \\sqrt{\\left(\\frac{A}{2}\\right)^2 +\\left(\\frac{B}{2}\\right)^2-C} \\\\[2ex] &amp; =\\sqrt{\\left(\\frac{-4}{2}\\right)^2 +\\left(\\frac{-8}{2}\\right)^2-(-16)} \\\\[2ex] &amp; =\\sqrt{\\left(-2\\right)^2 +\\left(-4\\right)^2+16} \\\\[2ex] &amp;= \\sqrt{4+16+16} \\\\[2ex] &amp;= \\sqrt{36} \\\\[2ex] &amp; = 6 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"309\" width=\"260\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u307e\u305f\u3001\u534a\u5f84\u3082\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u534a\u5f84\u3068\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u8a08\u7b97\u3055\u308c\u305f\u5186\u5468\u65b9\u7a0b\u5f0f\u306f\u6b63\u3057\u3044\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"existencia-de-una-circunferencia\"><\/span>\u5186\u5468\u306e\u5b58\u5728<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6b21\u306e\u5f62\u5f0f\u306e\u3059\u3079\u3066\u306e\u65b9\u7a0b\u5f0f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u5186\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u5f0f\u304c\u771f\u306b\u5186\u306e\u65b9\u7a0b\u5f0f\u3067\u3042\u308b\u305f\u3081\u306b\u306f\u3001\u6b21\u306e 3 \u3064\u306e\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol style=\"color:#ff6f00; font-weight: bold;>\n<li><span style=\" color:#262626;font-weight:=\"\" normal;\"=\"\">\n<li style=\"margin-bottom:18px\"><span style=\"color:#000000;font-weight: normal;\">\u306e\u4fc2\u6570\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p><\/span>\u305d\u3057\u3066\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u305d\u308c\u3089\u306f 1 \u306b\u7b49\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u4e21\u65b9\u306e\u5909\u6570\u306e\u524d\u306b 1 \u4ee5\u5916\u306e\u6570\u5b57\u304c\u4ed8\u3044\u3066\u3044\u308b\u304c\u3001\u4e21\u65b9\u3068\u3082\u540c\u3058\u6570\u5b57\u3067\u3042\u308b\u5834\u5408\u3001\u65b9\u7a0b\u5f0f\u5168\u4f53\u304c\u305d\u306e\u6570\u5b57\u3067\u9664\u7b97\u3055\u308c\u3001\u4fc2\u6570\u304c 1 \u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li style=\"margin-bottom:18px\"><span style=\"color:#000000;font-weight: normal;\">\u65b9\u7a0b\u5f0f\u306b\u9805\u3092\u542b\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p><\/span><\/li>\n<li style=\"margin-bottom:18px\"><span style=\"color:#000000;font-weight: normal;\">\u6b21\u306e\u5f0f\u306f\u6b63\u306e\u5024\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span> <\/li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;190&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<\/ol>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"otros-tipos-de-ecuaciones-de-la-circunferencia\"><\/span>\u4ed6\u306e\u7a2e\u985e\u306e\u5186\u65b9\u7a0b\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3053\u308c\u307e\u3067\u898b\u3066\u304d\u305f 2 \u3064\u306e\u5186\u65b9\u7a0b\u5f0f\u3001\u5e38\u65b9\u7a0b\u5f0f\u3068\u4e00\u822c\u65b9\u7a0b\u5f0f\u306f\u3001\u5e73\u9762 (R2) \u5185\u3067\u5186\u3092\u6570\u5b66\u7684\u306b\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u6700\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u5e7e\u4f55\u5b66\u7684\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8aac\u660e\u3059\u308b\u306b\u306f\u6570\u7a2e\u985e\u306e\u65b9\u7a0b\u5f0f\u304c\u3042\u308a\u3001\u4ee5\u4e0b\u306b\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-canonica-de-la-circunferencia\"><\/span>\u5186\u306e\u6b63\u6e96\u65b9\u7a0b\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5186\u306e\u6b63\u6e96\u65b9\u7a0b\u5f0f\u3001\u307e\u305f\u306f\u7e2e\u5c0f\u65b9\u7a0b\u5f0f\u306f\u3001<strong>\u4e2d\u5fc3\u304c\u5ea7\u6a19\u306e\u539f\u70b9<\/strong>\u3001\u3064\u307e\u308a\u70b9 (0,0) \u306b\u3042\u308b\u5186\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c8837a5c798c950520f838adb2826aa8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"96\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3055\u3089\u306b\u3001\u534a\u5f84\u304c\u5358\u4f4d (1) \u3068\u7b49\u3057\u3044\u5834\u5408\u3001\u5186\u5468\u306e\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6638c5ad97a435df56133e8b04c26ff4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2=1\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"88\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u6700\u5f8c\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u5358\u4f4d\u5186\u5468\u307e\u305f\u306f\u5358\u4f4d\u5186\u3068\u3082\u547c\u3070\u308c\u308b\u30b4\u30cb\u30aa\u30e1\u30c8\u30ea\u30c3\u30af\u5186\u5468\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u5ea7\u6a19\u539f\u70b9\u3092\u4e2d\u5fc3\u3068\u3057\u305f\u534a\u5f841\u306e\u5186\u3067\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuaciones-de-dos-circunferencias-concentricas\"><\/span> 2\u3064\u306e\u540c\u5fc3\u5186\u306e\u65b9\u7a0b\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>2 \u3064\u306e\u540c\u5fc3\u5186\u65b9\u7a0b\u5f0f\u306f\u3001\u4e2d\u5fc3\u304c\u540c\u3058\u70b9\u306b\u3042\u308b\u65b9\u7a0b\u5f0f\u3067\u3059\u3002 2 \u3064\u306e\u540c\u5fc3\u5186\u306e\u552f\u4e00\u306e\u9055\u3044\u306f\u534a\u5f84\u3067\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u305f\u3081\u306b\u306f\u3001 <strong>2 \u3064\u306e\u540c\u5fc3\u5186\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u72ec\u7acb\u9805\u3092\u9664\u3044\u3066\u307e\u3063\u305f\u304f\u540c\u3058\u3067\u3042\u308a\u3001\u72ec\u7acb\u9805\u306f\u7570\u306a\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c0ebfea4141df270980aa34c849d6cfa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C'=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"220\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e 2 \u3064\u306e\u5186\u306f\u3001\u72ec\u7acb\u3057\u305f\u9805\u3092\u9664\u3044\u3066\u3059\u3079\u3066\u306e\u4fc2\u6570\u304c\u540c\u4e00\u3067\u3042\u308b\u305f\u3081\u3001\u540c\u5fc3\u5186\u3067\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7da3e573efeee0a54f17639bb938d787_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+3x-4y+1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e569a0908d1a2537bf5dd0d5fcaa76bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+3x-4y+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-parametrica-de-la-circunferencia\"><\/span>\u5186\u306e\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u65b9\u7a0b\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u76f4\u7dda\u3068\u540c\u69d8\u306b\u3001\u5186\u306e\u65b9\u7a0b\u5f0f\u3082\u30b5\u30a4\u30f3\u3068\u30b3\u30b5\u30a4\u30f3\u306e\u4e09\u89d2\u95a2\u6570\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u3067\u304d\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-72dae5b3c5f775661ecb102945bb3fbd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\diplaystyle \\begin{cases}x= a + r \\cdot \\text{cos}(t) \\\\[2ex] y= b + r\\cdot \\text{sen}(t)\\end{cases} \\qquad t\\in[0,2\\pi)\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"275\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3069\u3053\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u304b<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fe11303e9d78d9884d5ce80743b4e853_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"37\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u306f\u5186\u306e\u4e2d\u5fc3\u3067\u3042\u308a\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3053\u3053\u306f\u3042\u306a\u305f\u306e\u90e8\u7f72\u3067\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-la-ecuacion-de-una-circunferencia\"><\/span>\u5186\u306e\u65b9\u7a0b\u5f0f\u306e\u554f\u984c\u3092\u89e3\u304d\u307e\u3057\u305f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u70b9\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u534a\u5f845\u306e\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c5fa41d0801e98e2a7874c963fff73d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(-1,2).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"71\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u307e\u305a\u305d\u306e\u5e38\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u306e\u516c\u5f0f\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6aaa336cc3cb4df0e6bfe594bb6e7d22_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-(-1))^2+(y-2)^2=5^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"211\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2647ce60ac9f3b4bddf17ded227da332_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x+1)^2+(y-2)^2=25\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5e38\u65b9\u7a0b\u5f0f\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u304c\u898b\u3064\u304b\u308b\u307e\u3067\u4f5c\u696d\u3092\u9032\u3081\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dacb70230bf38f0719ef399c3bf97727_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+1^2+2\\cdot x \\cdot 1+y^2+2^2-2\\cdot y \\cdot 2=25\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"323\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c540e082018d26478d17e7cd1991280e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+1+2x+y^2+4-4y=25\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"239\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a84db66d6be46dcd6577bc788051cc6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2x+y^2-4y+1+4-25=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"270\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-61dbc21597fd549b0826f81395467ae8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2x+y^2-4y-20=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d0aad138d023e75ed59b3fa7b89247ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x^2+y^2+2x-4y-20=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 2<\/h3>\n<p>\u6b21\u306e\u5404\u5186\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u4e2d\u5fc3\u306e\u5ea7\u6a19\u3068\u534a\u5f84\u306e\u9577\u3055\u3092\u898b\u3064\u3051\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-93caa68e4fb4ec47816d1d8e6bf3a406_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)}\\ (x-2)^2+(y+5)^2=36\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"213\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb7951cbb0d649bd68e0a7be0d66281c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)}\\  x^2+y^2+8x-10y+1 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"234\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b63bd92988f9ebb0e256e7b6f72120e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)}\\ x^2+y^2=4\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"115\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"><strong>\u5186\u5468A)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c8c045e659d071fcc7f64053f6be107f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-2)^2+(y+5)^2=36\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"186\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5186\u5468\u306f\u5e38\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u8868\u3055\u308c\u3001\u305d\u306e\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u4e2d\u5fc3\u306e\u5ea7\u6a19\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f5efef3ea46a765419553313f5ca6ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-aeae2f2253b0e865affe7eb4e4045c5a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{C(2,-5)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u306e\u534a\u5f84\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-600a7310c5834d8d3fad25e89deba0a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r^2=36\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9233e539f37236d7548131ed75ad1e86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{r=6}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"41\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"><strong>\u5186\u5468B)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-253fa91392e1e066a52be943874175cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+8x-10y+1 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u5186\u5468\u306f\u4e00\u822c\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u8868\u73fe\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u4e2d\u5fc3\u306e\u5ea7\u6a19\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e64305413efd35fdc4d0650acf78623d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{A}{2}, -\\frac{B}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-554c02287c317db9bfad3ee656ffc4d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{8}{2}, -\\frac{-10}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"124\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e07d270b9ef4a798ab46911132c60bf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\bigl(-4, -(-5)\\bigr)\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"110\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9eb4c6f0c580fa8cd0304d95339f1e49_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{C(-4, 5)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65b9\u3001\u5186\u306e\u534a\u5f84\u3092\u6c42\u3081\u308b\u516c\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b0cdc38937e6c36bb9e6d2ca0814a650_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{aligned} r &amp; = \\sqrt{\\left(\\frac{A}{2}\\right)^2 +\\left(\\frac{B}{2}\\right)^2-C} \\\\[2ex] &amp; =\\sqrt{\\left(\\frac{8}{2}\\right)^2 +\\left(\\frac{-10}{2}\\right)^2-1} \\\\[2ex] &amp; =\\sqrt{\\left(4\\right)^2 +\\left(-5\\right)^2-1} \\\\[2ex] &amp;= \\sqrt{16+25-1} \\\\[2ex] &amp;= \\bm{\\sqrt{40}} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"269\" width=\"218\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"><strong>\u5186\u5468C)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91652bf524a31b3abfbacf829d5c3024_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2=4\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"89\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5186\u5468\u306f\u5e38\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u8868\u3055\u308c\u3001\u305d\u306e\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u4e2d\u5fc3\u306e\u5ea7\u6a19\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f5efef3ea46a765419553313f5ca6ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u5834\u5408\u3001\u65b9\u7a0b\u5f0f\u306b\u306f\u9805\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3069\u3061\u3089\u3067\u3082\u306a\u3044<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a521efcd0a946cd643aebe98b5b41a3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5ea7\u6a19\u306e\u539f\u70b9\u3092\u4e2d\u5fc3\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-af6eeb157115e2a18cfa38f09fc11d85_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{C(0,0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"53\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u306e\u534a\u5f84\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f15f619bc019d0f668cff042ed62ed6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r^2=4\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"49\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4964d8cfd7ef22134e4d600697e4841d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{r=2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"40\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 3<\/h3>\n<p>\u5186\u306e\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3046\u3061\u3069\u308c\u3067\u3059\u304b? <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-669f1a6230f3055c7cb7a40db679ef48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)}\\ x^2+y^2+4x-6y-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"226\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ef04a07d4a0089b39ecbc9de3047c185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)}\\  x^2+y^2+5x+5y+2xy-4 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"276\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-bdd38651c9b1ac5cbfc2315da374ead6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)}\\ 2x^2+2y^2-8x+4y+2=0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"244\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f222b1efd24b2c061b293b5d0d12a374_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D)}\\ x^2+y^2+x+2y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"218\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u5f0f\u304c\u5186\u306e\u65b9\u7a0b\u5f0f\u306b\u306a\u308b\u306b\u306f\u3001\u6b21\u306e\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"has-text-align-left\"> <strong>1.<\/strong>\u306e\u4fc2\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u305d\u308c\u3089\u306f 1 \u306b\u7b49\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<br \/> <strong>2.<\/strong>\u65b9\u7a0b\u5f0f\u306b\u9805\u3092\u542b\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p><strong>3.<\/strong><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;190&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u5404\u65b9\u7a0b\u5f0f\u306b\u3064\u3044\u3066 3 \u3064\u306e\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"><strong>\u5f0fA)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a6a81516c0f8432b89f8bc6f90ac9812_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+4x-6y-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u306e\u4fc2\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u306f 1 \u3067\u3042\u308a\u3001\u65b9\u7a0b\u5f0f\u306b\u306f\u9805\u304c\u3042\u308a\u307e\u305b\u3093<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u30013 \u756a\u76ee\u306e\u6761\u4ef6\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;190&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-48023f09730538bbe1c444ce95734453_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{4}{2}\\right)^2+\\left(\\frac{-6}{2}\\right)^2-(-1)>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;216&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5ef2259d5b4e8e18842abbb767a7b293_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2^2+\\left(-3\\right)^2+1>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;22&#8243; width=&#8221;146&#8243; style=&#8221;vertical-align: -5px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-59ef896ffd96e877fbf3198732f2d3af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4+9+1>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;103&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91029a12fff0b2f34276f8692b5173a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 14>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;49&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u65b9\u7a0b\u5f0f\u306f3\u3064\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b<strong>\u306e\u3067\u3001\u5186\u306e\u65b9\u7a0b\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<\/strong> <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"><strong>\u5f0f B)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-326811b6b97f9ba0bc878dfcf8904b21_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+5x+5y+2xy-4 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"250\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u65b9\u7a0b\u5f0f\u306b\u306f\u6b21\u306e\u9805\u304c\u3042\u308a\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a0b5b65b4fa8aef2ecb83e4724b75cc6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3053\u306e\u65b9\u7a0b\u5f0f\u306f<strong>\u5186\u306b\u5bfe\u5fdc\u3057\u307e\u305b\u3093\u3002<\/strong> <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"><strong>\u5f0f C)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7997d025687293da234c60efbb4390ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x^2+2y^2-8x+4y+2=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"218\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u306e\u4fc2\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u306f 1 \u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3059\u3079\u3066\u306e\u9805\u3092\u9664\u7b97\u3059\u308b\u3053\u3068\u3067\u65b9\u7a0b\u5f0f\u3092\u5909\u5f62\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-324f0e4c339c56376f79a6f8420fcb03_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2-4x+2y+1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u6b21\u306e\u4fc2\u6570\u306f<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u306f\u3044\u3001\u305d\u308c\u3089\u306f 1 \u3067\u3042\u308a\u3001\u3055\u3089\u306b\u3001\u65b9\u7a0b\u5f0f\u306b\u306f\u9805\u304c\u3042\u308a\u307e\u305b\u3093<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f 3 \u756a\u76ee\u306e\u6761\u4ef6\u3060\u3051\u3067\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;190&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-283fb580944e951ece8b8e24e84eb524_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{-4}{2}\\right)^2+\\left(\\frac{2}{2}\\right)^2+1>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;189&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91f0622656a691a59a0e9052709d21de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (-2)^2+\\left(1\\right)^2+1>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;22&#8243; width=&#8221;158&#8243; style=&#8221;vertical-align: -5px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5eadfd980efe34932b4329383d30563a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4+1+1>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;103&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8c570dbdfdce26cd5e1e13bd563e2ccd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 6>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;14&#8243; width=&#8221;42&#8243; style=&#8221;vertical-align: -2px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u65b9\u7a0b\u5f0f\u306f3\u3064\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b<strong>\u306e\u3067\u3001\u5186\u306e\u65b9\u7a0b\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<\/strong> <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"><strong>\u5f0f D)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b896c6512c871afb6136853a0a2cf72b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+x+2y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"191\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u306e\u4fc2\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u306f 1 \u3067\u3042\u308a\u3001\u65b9\u7a0b\u5f0f\u306b\u306f\u9805\u304c\u3042\u308a\u307e\u305b\u3093<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u30013 \u756a\u76ee\u306e\u6761\u4ef6\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;190&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-df508b8ad2882f89d197f3845bcc13ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{1}{2}\\right)^2+\\left(\\frac{2}{2}\\right)^2-6>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;47&#8243; width=&#8221;175&#8243; style=&#8221;vertical-align: -17px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-06600177f85089d43db1d30e47297e6c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0,25+1-6>0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;17&#8243; width=&#8221;128&#8243; style=&#8221;vertical-align: -4px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-74d079e75c8619832a03cd179a3383ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -4,75 \\ \\cancel{>} \\ 0&#8243; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;17&#8243; width=&#8221;82&#8243; style=&#8221;vertical-align: -4px;&#8221;><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u65b9\u7a0b\u5f0f\u306f\u6700\u5f8c\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001<strong>\u5186\u306e\u65b9\u7a0b\u5f0f\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 4<\/h3>\n<p>\u6b21\u306e 3 \u70b9\u3092\u901a\u308b\u5186\u306e\u65b9\u7a0b\u5f0f\u3092\u6c42\u3081\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4502f53d3453a32786375e0583cb2785_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(0,0) \\quad B(3,0) \\quad C(2,-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"208\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4efb\u610f\u306e\u5186\u306e\u4e00\u822c\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u70b9\u306e\u5ea7\u6a19\u3092\u5186\u65b9\u7a0b\u5f0f\u306b\u4ee3\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-94b9e9013dcf92b4ae2a6fbb804365a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A,\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"17\" style=\"vertical-align: -4px;\"><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-770fd1447ccf2fc229801b486b0d8f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e33ac8af21963090f8229a332d211273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u306e\u6700\u521d\u306e\u70b9\u3067\u4fc2\u6570\u3092\u898b\u3064\u3051\u307e\u3059<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ab5bb26176c859b9b09d69eb399bea9c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c994d016e5b89d5820060efa138860cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(0,0) \\ \\longrightarrow \\ 0^2+0^2+A\\cdot 0 +B\\cdot 0+C=0 \\ \\longrightarrow \\ \\bm{C = 0}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"437\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> 2 \u756a\u76ee\u306e\u70b9\u3067\u4fc2\u6570\u3092\u6c42\u3081\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-944477c7f7578892a57aa3b7c7dd8268_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A:\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"22\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-12719654d98ba81f0a7d45e587478e6d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}A(3,0) \\ \\longrightarrow  \\ &amp; 3^2+0^2+A\\cdot 3 +B\\cdot 0+C=0  \\\\[2ex] &amp; 9+A\\cdot 3  =0\\\\[2ex]&amp;  \\bm{A=-3} &amp; \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"100\" width=\"335\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066 3 \u756a\u76ee\u306e\u70b9\u304b\u3089\u4fc2\u6570\u3092\u6c42\u3081\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2976704f0327609d6a0deba6d1139c3f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"B:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f1e69c28996a8fbfa14189c48a295095_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} A(2,-2) \\ \\longrightarrow  \\ &amp; 2^2+(-2)^2+A\\cdot 2 +B\\cdot (-2)+C=0 \\\\[2ex] &amp; 4+4+(-3)\\cdot 2+ B\\cdot (-2)+0=0 \\\\[2ex] &amp; 8-6-2B=0 \\\\[2ex] &amp; \\bm{B=1} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"404\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7d50\u8ad6\u3068\u3057\u3066\u3001\u5186\u5468\u306e\u4e00\u822c\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c9f54f4187497c1fa02459870f4738c3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x^2+y^2-3x+y=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"161\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 5<\/h3>\n<p>\u5186\u306e\u4e21\u7aef\u304c\u6b21\u306e 2 \u70b9\u3067\u3042\u308b\u5834\u5408:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1dad063e5dabd63e9833d42ad087a2ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(2,3) \\qquad B(6,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"155\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u3068\u306f\u4f55\u3067\u3059\u304b? <\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">2 \u3064\u306e\u70b9\u304c\u5186\u306e\u4e21\u7aef\u3067\u3042\u308b\u5834\u5408\u3001\u305d\u306e\u4e2d\u5fc3\u306f\u3053\u308c\u3089 2 \u70b9\u306e\u4e2d\u70b9\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d8301618bb0d7b4ded6acd02f1087b9e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(\\frac{2+6}{2} , \\frac{3+(-1)}{2} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"162\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fe41a577fe933b35601afe7f6239e03d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(\\frac{8}{2} , \\frac{2}{2} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"73\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-06be238c032f258db6686b8e2c164605_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(4,1 \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"56\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65b9\u3001\u5186\u306e\u76f4\u5f84\u306f 2 \u70b9\u9593\u306e\u8ddd\u96e2\u3068\u306a\u308a\u30012 \u70b9\u304c\u5f62\u6210\u3059\u308b\u30d9\u30af\u30c8\u30eb\u306e\u5927\u304d\u3055\u3092\u4f7f\u7528\u3057\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a3dd2c628d11818ba0cab76f4614ed91_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AB} = B-A=(6,-1) - (2,3) = (4,-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"315\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1d0fb498083e41cf9f0f8b7a150f42fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d = \\lvert \\vv{AB} \\rvert =\\sqrt{4^2+(-4)^2} = \\sqrt{16+16} = \\sqrt{32}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"346\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u3001\u5186\u306e\u534a\u5f84\u306f\u76f4\u5f84\u306e\u534a\u5206\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1d5a6269d58490fc6848303c3654a1c7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r = \\cfrac{\\sqrt{32}}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"67\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u5186\u306e\u5e38\u65b9\u7a0b\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a958c8b86fa29064dff3aa581e722473_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (x-4)^2+(y-1)^2=\\left(\\frac{\\sqrt{32}}{2}\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"58\" width=\"239\" style=\"vertical-align: -23px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-34bc4dc9c86ca1b78edaa23113e51a59_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{(x-4)^2+(y-1)^2=}\\frac{\\bm{32}}{\\bm{4}}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"183\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p>\u6700\u5f8c\u306b\u3001\u3053\u306e\u8a18\u4e8b\u304c\u5f79\u306b\u7acb\u3063\u305f\u306a\u3089\u3001\u304d\u3063\u3068<a href=\"https:\/\/mathority.org\/ja\/\u53cc\u66f2\u7dda\u306e\u5b9a\u7fa9-\u5f0f\u306e\u8981\u7d20-\u65b9\u7a0b\u5f0f\u306e\u4f8b-\u89e3\u6c7a\u6e08\u307f\u306e\u6f14\u7fd2\/\">\u53cc\u66f2\u7dda (\u6570\u5b66)<\/a>\u3068<a href=\"https:\/\/mathority.org\/ja\/\u653e\u7269\u7dda-\u6570\u5b66\u306e\u5b9a\u7fa9-\u65b9\u7a0b\u5f0f\u306e\u4f8b-\u6f14\u7fd2\u8981\u7d20-\u89e3\u6c7a\u6e08\u307f\/\">\u653e\u7269\u7dda (\u6570\u5b66)<\/a>\u306e\u30da\u30fc\u30b8\u306b\u3082\u8208\u5473\u3092\u6301\u3063\u3066\u3044\u305f\u3060\u3051\u308b\u3067\u3057\u3087\u3046\u3002\u53cc\u66f2\u7dda\u3068\u653e\u7269\u7dda\u3068\u306f\u4f55\u304b\u3001\u65b9\u7a0b\u5f0f\u3001\u305d\u306e\u7279\u5fb4\u3001\u4f8b\u3001\u6f14\u7fd2\u554f\u984c\u306a\u3069\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5e38\u65b9\u7a0b\u5f0f\u3001\u4e00\u822c\u65b9\u7a0b\u5f0f\u3001\u305d\u306e\u4ed6\u306e\u7a2e\u985e\u306e\u5186\u5468\u65b9\u7a0b\u5f0f\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u304c\u6b63\u3057\u3044\u5834\u5408\u306a\u3069\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u60c5\u5831\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306e\u4f8b\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u5186\u5468\u306e\u5206\u3001\u89e3\u3044\u305f\u7df4\u7fd2\u554f\u984c\u3067\u7df4\u7fd2\u3059\u308b &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/\"> <span class=\"screen-reader-text\">\u5186\u5468\u65b9\u7a0b\u5f0f<\/span> \u3082\u3063\u3068\u8aad\u3080 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[20],"tags":[],"class_list":["post-235","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5186\u5468\u65b9\u7a0b\u5f0f -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/ja\/\u5186\u5468\u65b9\u7a0b\u5f0f\u306e\u5e38\u516c\u5f0f-\u4e00\u822c\u7684\u306a\u4f8b\u984c-\u89e3\u7b54\u6e08\u307f\u6f14\u7fd2\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5186\u5468\u65b9\u7a0b\u5f0f -\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5e38\u65b9\u7a0b\u5f0f\u3001\u4e00\u822c\u65b9\u7a0b\u5f0f\u3001\u305d\u306e\u4ed6\u306e\u7a2e\u985e\u306e\u5186\u5468\u65b9\u7a0b\u5f0f\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u304c\u6b63\u3057\u3044\u5834\u5408\u306a\u3069\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u60c5\u5831\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306e\u4f8b\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u5186\u5468\u306e\u5206\u3001\u89e3\u3044\u305f\u7df4\u7fd2\u554f\u984c\u3067\u7df4\u7fd2\u3059\u308b &hellip; \u5186\u5468\u65b9\u7a0b\u5f0f \u3082\u3063\u3068\u8aad\u3080 &raquo;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mathority.org\/ja\/\u5186\u5468\u65b9\u7a0b\u5f0f\u306e\u5e38\u516c\u5f0f-\u4e00\u822c\u7684\u306a\u4f8b\u984c-\u89e3\u7b54\u6e08\u307f\u6f14\u7fd2\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-10T19:00:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/equation-de-circonference-1.webp\" \/>\n<meta name=\"author\" content=\"B1oN0W1@L5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"B1oN0W1@L5\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/\",\"url\":\"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/\",\"name\":\"\u5186\u5468\u65b9\u7a0b\u5f0f -\",\"isPartOf\":{\"@id\":\"https:\/\/mathority.org\/ja\/#website\"},\"datePublished\":\"2023-07-10T19:00:18+00:00\",\"dateModified\":\"2023-07-10T19:00:18+00:00\",\"author\":{\"@id\":\"https:\/\/mathority.org\/ja\/#\/schema\/person\/c5d030d51df9fedd3b375fd3c5be378e\"},\"breadcrumb\":{\"@id\":\"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mathority.org\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5186\u5468\u65b9\u7a0b\u5f0f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mathority.org\/ja\/#website\",\"url\":\"https:\/\/mathority.org\/ja\/\",\"name\":\"\",\"description\":\"\u597d\u5947\u5fc3\u3068\u8a08\u7b97\u304c\u51fa\u4f1a\u3046\u5834\u6240 !\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mathority.org\/ja\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/mathority.org\/ja\/#\/schema\/person\/c5d030d51df9fedd3b375fd3c5be378e\",\"name\":\"B1oN0W1@L5\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/mathority.org\/ja\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g\",\"caption\":\"B1oN0W1@L5\"},\"sameAs\":[\"http:\/\/mathority.org\/ja\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u5186\u5468\u65b9\u7a0b\u5f0f -","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mathority.org\/ja\/\u5186\u5468\u65b9\u7a0b\u5f0f\u306e\u5e38\u516c\u5f0f-\u4e00\u822c\u7684\u306a\u4f8b\u984c-\u89e3\u7b54\u6e08\u307f\u6f14\u7fd2\/","og_locale":"ja_JP","og_type":"article","og_title":"\u5186\u5468\u65b9\u7a0b\u5f0f -","og_description":"\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5e38\u65b9\u7a0b\u5f0f\u3001\u4e00\u822c\u65b9\u7a0b\u5f0f\u3001\u305d\u306e\u4ed6\u306e\u7a2e\u985e\u306e\u5186\u5468\u65b9\u7a0b\u5f0f\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u304c\u6b63\u3057\u3044\u5834\u5408\u306a\u3069\u3001\u5186\u5468\u65b9\u7a0b\u5f0f\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u60c5\u5831\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u65b9\u7a0b\u5f0f\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5\u306e\u4f8b\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u5186\u5468\u306e\u5206\u3001\u89e3\u3044\u305f\u7df4\u7fd2\u554f\u984c\u3067\u7df4\u7fd2\u3059\u308b &hellip; \u5186\u5468\u65b9\u7a0b\u5f0f \u3082\u3063\u3068\u8aad\u3080 &raquo;","og_url":"https:\/\/mathority.org\/ja\/\u5186\u5468\u65b9\u7a0b\u5f0f\u306e\u5e38\u516c\u5f0f-\u4e00\u822c\u7684\u306a\u4f8b\u984c-\u89e3\u7b54\u6e08\u307f\u6f14\u7fd2\/","article_published_time":"2023-07-10T19:00:18+00:00","og_image":[{"url":"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/equation-de-circonference-1.webp"}],"author":"B1oN0W1@L5","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"B1oN0W1@L5"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/","url":"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/","name":"\u5186\u5468\u65b9\u7a0b\u5f0f -","isPartOf":{"@id":"https:\/\/mathority.org\/ja\/#website"},"datePublished":"2023-07-10T19:00:18+00:00","dateModified":"2023-07-10T19:00:18+00:00","author":{"@id":"https:\/\/mathority.org\/ja\/#\/schema\/person\/c5d030d51df9fedd3b375fd3c5be378e"},"breadcrumb":{"@id":"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mathority.org\/ja\/%e5%86%86%e5%91%a8%e6%96%b9%e7%a8%8b%e5%bc%8f%e3%81%ae%e5%b8%b8%e5%85%ac%e5%bc%8f-%e4%b8%80%e8%88%ac%e7%9a%84%e3%81%aa%e4%be%8b%e9%a1%8c-%e8%a7%a3%e7%ad%94%e6%b8%88%e3%81%bf%e6%bc%94%e7%bf%92\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mathority.org\/ja\/"},{"@type":"ListItem","position":2,"name":"\u5186\u5468\u65b9\u7a0b\u5f0f"}]},{"@type":"WebSite","@id":"https:\/\/mathority.org\/ja\/#website","url":"https:\/\/mathority.org\/ja\/","name":"","description":"\u597d\u5947\u5fc3\u3068\u8a08\u7b97\u304c\u51fa\u4f1a\u3046\u5834\u6240 !","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mathority.org\/ja\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/mathority.org\/ja\/#\/schema\/person\/c5d030d51df9fedd3b375fd3c5be378e","name":"B1oN0W1@L5","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/mathority.org\/ja\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8a35e4c8616d1c34c03ca02862b580f4372c5650665668489db53a09579bbc4f?s=96&d=mm&r=g","caption":"B1oN0W1@L5"},"sameAs":["http:\/\/mathority.org\/ja"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/posts\/235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/comments?post=235"}],"version-history":[{"count":0,"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/posts\/235\/revisions"}],"wp:attachment":[{"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/media?parent=235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/categories?post=235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mathority.org\/ja\/wp-json\/wp\/v2\/tags?post=235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}