{"id":229,"date":"2023-07-10T21:50:05","date_gmt":"2023-07-10T21:50:05","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e3%83%87%e3%82%ab%e3%83%ab%e3%83%88%e5%b9%b3%e9%9d%a2%e5%86%85%e3%81%ae-2-%e3%81%a4%e3%81%ae%e7%b7%9a%e3%81%ae%e7%9b%b8%e5%af%be%e4%bd%8d%e7%bd%ae-2d-r2-%e3%81%ae%e4%be%8b\/"},"modified":"2023-07-10T21:50:05","modified_gmt":"2023-07-10T21:50:05","slug":"%e3%83%87%e3%82%ab%e3%83%ab%e3%83%88%e5%b9%b3%e9%9d%a2%e5%86%85%e3%81%ae-2-%e3%81%a4%e3%81%ae%e7%b7%9a%e3%81%ae%e7%9b%b8%e5%af%be%e4%bd%8d%e7%bd%ae-2d-r2-%e3%81%ae%e4%be%8b","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e3%83%87%e3%82%ab%e3%83%ab%e3%83%88%e5%b9%b3%e9%9d%a2%e5%86%85%e3%81%ae-2-%e3%81%a4%e3%81%ae%e7%b7%9a%e3%81%ae%e7%9b%b8%e5%af%be%e4%bd%8d%e7%bd%ae-2d-r2-%e3%81%ae%e4%be%8b\/","title":{"rendered":"\u5e73\u9762\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5e73\u9762 (R2) \u5185\u306e 2 \u3064\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306b\u5b58\u5728\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u4f8b\u304c\u8868\u793a\u3055\u308c\u3001\u6bb5\u968e\u7684\u306b\u554f\u984c\u3092\u89e3\u3044\u3066\u7df4\u7fd2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-104\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcual-es-la-posicion-relativa-de-dos-rectas-en-el-plano\"><\/span>\u5e73\u9762\u5185\u306e 2 \u672c\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u306f\u4f55\u3067\u3059\u304b? <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-105\"><\/div>\n<\/div>\n<p>\u5e73\u9762\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u8abf\u3079\u308b\u524d\u306b\u3001\u660e\u3089\u304b\u306b\u7dda\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u6b63\u78ba\u306b\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f<a href=\"https:\/\/mathority.org\/ja\/\u7dda\u306e\u7279\u6027\u30bf\u30a4\u30d5\u309a\u306e\u5b9a\u7fa9-\u4f8b-\u76f4\u7dda\/\">line \u306e\u5b9a\u7fa9<\/a>\u3067\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001(R2 \u3067) 2 \u6b21\u5143\u3067\u4f5c\u696d\u3059\u308b\u5834\u5408\u30012 \u3064\u306e\u7dda\u306e\u9593\u306b\u306f 3 \u7a2e\u985e\u306e\u76f8\u5bfe\u4f4d\u7f6e\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-136\">\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#ff6f00\"><strong>\u4ea4\u5dee\u3059\u308b\u7dda<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angles-droits-secants.webp\" alt=\"\u4ea4\u5dee\u3059\u308b 2 \u3064\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\" class=\"wp-image-1644\" width=\"205\" height=\"192\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> 2 \u3064\u306e\u4ea4\u5dee\u3059\u308b\u7dda\u306b\u306f 1 \u3064\u306e\u5171\u901a\u70b9\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002 <\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#ff6f00\"><strong><strong>\u5e73\u884c\u7dda<\/strong><\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/droites-paralleles-a-langle.webp\" alt=\"\u5e73\u884c\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\" width=\"209\" height=\"189\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> 2 \u672c\u306e\u7dda\u306f\u3001\u5171\u901a\u70b9\u304c\u306a\u3051\u308c\u3070\u5e73\u884c\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u5f7c\u3089\u304c\u6c7a\u3057\u3066\u4ea4\u5dee\u3057\u306a\u3044\u5834\u5408\u3067\u3059\u3002 <\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#ff6f00\"><strong>\u4e00\u81f4\u3059\u308b\u7dda<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-coincident-lignes.webp\" alt=\"\u4e00\u81f4\u3059\u308b\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\" width=\"189\" height=\"168\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u3059\u3079\u3066\u306e\u70b9\u304c\u5171\u901a\u3057\u3066\u3044\u308b\u5834\u5408\u30012 \u3064\u306e\u76f4\u7dda\u306f\u540c\u3058\u3067\u3059\u3002 <\/p>\n<\/div>\n<\/div>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-106\"><\/div>\n<\/div>\n<p>\u4e00\u65b9\u3001\u5e73\u9762\u5185\u306e 2 \u672c\u306e\u7dda\u306e\u9593\u306e\u89d2\u5ea6\u306f\u3001\u305d\u308c\u3089\u306e\u76f8\u5bfe\u4f4d\u7f6e\u306b\u3082\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u4ea4\u5dee\u3059\u308b\u7dda\u306f\u30010 \u5ea6 (\u542b\u307e\u308c\u306a\u3044) \u304b\u3089 90 \u5ea6 (\u4e21\u7aef\u306e\u5024\u3092\u542b\u3080) \u306e\u9593\u306e\u89d2\u5ea6\u3067\u4ea4\u5dee\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u305d\u308c\u3089\u304c\u3061\u3087\u3046\u3069 90 \u5ea6\u306e\u76f4\u89d2\u3092\u5f62\u6210\u3059\u308b\u5834\u5408\u3001\u305d\u308c\u306f 2 \u3064\u306e\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n<li>\u5e73\u884c\u7dda\u306f\u65b9\u5411\u304c\u540c\u3058\u306a\u306e\u3067\u3001\u89d2\u5ea6\u306f 0\u00b0\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u307e\u305f\u3001\u540c\u3058\u7406\u7531\u3067\u3001\u4e00\u81f4\u3059\u308b\u7dda\u306e\u9593\u306e\u89d2\u5ea6\u3082 0 \u5ea6\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p> 2 \u672c\u306e\u7dda\u306e\u9593\u306e\u89d2\u5ea6\u304c\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u304b\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001 <a href=\"https:\/\/mathority.org\/ja\/2-\u3064\u306e\u7dda\u306e\u9593\u306e\u89d2\u5ea6-\u6570\u5f0f\u306e\u4f8b-\u89e3\u6c7a\u6e08\u307f\u6f14\u7fd2-\u50be\u659c\u89d2-\u30c6\u3099\u30a3\u30ec\u30af\u30bf\u30fc-\u30d8\u3099\u30af\u30c8\u30eb\/\">2 \u672c\u306e\u7dda\u306e\u9593\u306e\u89d2\u5ea6\u306e\u516c\u5f0f<\/a>\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u3053\u3067\u306f\u30012 \u3064\u306e\u7dda\u306e\u9593\u306e\u89d2\u5ea6\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u6cd5\u306e\u8a73\u7d30\u306a\u8aac\u660e\u3001\u3044\u304f\u3064\u304b\u306e\u4f8b\u3001\u3055\u3089\u306b\u306f\u6f14\u7fd2\u3092\u884c\u3063\u3066\u6982\u5ff5\u3092\u5b8c\u5168\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"como-hallar-la-posicion-relativa-de-dos-rectas-en-el-plano\"><\/span>\u5e73\u9762\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-109\"><\/div>\n<\/div>\n<p> 2 \u6b21\u5143\u7a7a\u9593\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u7dda\u304c\u3069\u306e\u3088\u3046\u306b\u8868\u73fe\u3055\u308c\u308b\u304b\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb:<\/strong> 2 \u3064\u306e\u7dda\u304c\u7570\u306a\u308b\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3092\u6301\u3064\u5834\u5408\u3001\u305d\u308c\u3089\u306f\u4ea4\u5dee\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u5ea7\u6a19\u304c\u7b49\u3057\u3044\u304b\u6bd4\u4f8b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5e73\u884c\u307e\u305f\u306f\u4e00\u81f4\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff08\u5171\u901a\u70b9\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u660e\u793a\u7684\u306a\u65b9\u7a0b\u5f0f:<\/strong> 2 \u672c\u306e\u76f4\u7dda\u306e\u50be\u304d\u304c\u7570\u306a\u308b\u5834\u5408\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cbf220caa0234311cbdde7c24a842b1b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(m)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"28\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u9006\u306b\u3001\u7dda\u306e\u50be\u304d\u304c\u540c\u3058\u3067\u539f\u70b9\u306e\u9806\u5e8f\u304c\u7570\u306a\u308b\u5834\u5408\u306f\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9098105a2659ae64387c39c113fab615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(n)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"23\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u305d\u308c\u3089\u306f\u5e73\u884c\u3067\u3059\u3002\u6700\u5f8c\u306b\u30012 \u3064\u306e\u7dda\u304c\u5143\u3005\u7b49\u3057\u3044\u50be\u304d\u3068\u7e26\u5ea7\u6a19\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u7dda\u306f\u6df7\u540c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u4e00\u822c (\u307e\u305f\u306f\u6697\u9ed9\u306e) \u65b9\u7a0b\u5f0f:<\/strong>\u975e\u6bd4\u4f8b\u4fc2\u6570 A \u304a\u3088\u3073 B \u3092\u6301\u3064 2 \u672c\u306e\u76f4\u7dda\u306f\u5e38\u306b\u4ea4\u5dee\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089 2 \u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u76f8\u4e92\u306b\u6bd4\u4f8b\u3059\u308b\u304c\u3001\u4fc2\u6570 C \u306b\u306f\u6bd4\u4f8b\u3057\u306a\u3044\u5834\u5408\u3001\u305d\u308c\u3089\u306f\u5e73\u884c\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u6700\u5f8c\u306b\u30013 \u3064\u306e\u9805\u304c\u6bd4\u4f8b\u3059\u308b\u5834\u5408\u3001\u3053\u308c\u306f\u76f4\u7dda\u304c\u6df7\u4e71\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4e0a\u306e\u76f4\u7dda\u306e\u65b9\u7a0b\u5f0f\u306b\u7591\u554f\u304c\u3042\u308b\u5834\u5408\u306f\u3001 <a href=\"https:\/\/mathority.org\/ja\/\u76f4\u7dda\u65b9\u7a0b\u5f0f\u306e\u3059\u3078\u3099\u3066\u306e\u516c\u5f0f\u306e\u4f8b\u984c\u3068\u6f14\u7fd2\u3092\u89e3\u3044\u305f\/\">\u5e73\u9762\u5185\u306e\u76f4\u7dda\u306e\u65b9\u7a0b\u5f0f<\/a>\u306e\u8aac\u660e\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u3053\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u76f4\u7dda\u65b9\u7a0b\u5f0f\u306e\u516c\u5f0f\u3001\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u3001\u4f8b\u984c\u3068\u76f4\u7dda\u65b9\u7a0b\u5f0f\u306e\u6f14\u7fd2\u554f\u984c\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u8868\u306b\u3001\u524d\u8ff0\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u6982\u8981\u3092\u793a\u3057\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/position-relative-de-deux-droites-dans-le-plan-1.webp\" alt=\"\u5e73\u9762\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\" class=\"wp-image-1718\" width=\"675\" height=\"403\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u6b21\u306b\u30012 \u3064\u306e\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u6cd5\u306e 2 \u3064\u306e\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-1\"><\/span>\u4f8b1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u660e\u793a\u7684\u306a\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u6b21\u306e 2 \u3064\u306e\u76f4\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u6c42\u3081\u307e\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-da7047627c75c1e890b8dcd638f77ed6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=3x+2 \\qquad \\qquad s: \\ y=3x-4\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"294\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> 2 \u3064\u306e\u76f4\u7dda\u306f\u540c\u3058\u50be\u304d\u3092\u6301\u3063\u3066\u3044\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-873fd0b2da446bff0d72d56424846ad5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r = m_s = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"102\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u305f\u3060\u3057\u3001\u30aa\u30ea\u30b8\u30f3\u306b\u306f\u7570\u306a\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\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-dd55fdc8ff8e806fd683fad5ee625dc3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_r =2\\neq n_s=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"139\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u50be\u304d\u306f\u540c\u3058\u3067\u3059\u304c\u5207\u7247\u304c\u7570\u306a\u308b\u305f\u3081\u3001<strong>\u7dda\u306f\u5e73\u884c\u306b\u306a\u308a\u307e\u3059<\/strong>\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-2\"><\/span>\u4f8b 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u6697\u9ed9\u7684\u306a (\u307e\u305f\u306f\u4e00\u822c\u7684\u306a) \u65b9\u7a0b\u5f0f\u3067\u8868\u3055\u308c\u308b\u6b21\u306e 2 \u3064\u306e\u76f4\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c917d50b692b0f59a5846479d74b6e19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 4x+2y-6=0 \\qquad \\qquad s: \\ -2x-y+3=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"378\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u4e21\u65b9\u306e\u76f4\u7dda\u306f\u660e\u793a\u7684\u306a\u65b9\u7a0b\u5f0f\u3068\u3057\u3066\u8868\u73fe\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u308c\u3089\u306e\u4fc2\u6570\u306e\u3044\u305a\u308c\u304b\u304c\u6bd4\u4f8b\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\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-cce65e5ed8b8969e9349325d13a192ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{4}{-2}=\\cfrac{2}{-1} = \\cfrac{-6}{3} = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"173\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u7dda\u306e 3 \u3064\u306e\u9805\u306f\u6bd4\u4f8b\u3057\u3066\u3044\u308b\u305f\u3081\u3001<strong>\u7dda\u306f\u4e00\u81f4\u3057\u307e\u3059<\/strong>\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"determinar-la-posicion-relativa-de-dos-rectas-en-el-plano-con-un-sistema-de-ecuaciones\"><\/span>\u9023\u7acb\u65b9\u7a0b\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u3001\u5e73\u9762\u5185\u306e 2 \u3064\u306e\u76f4\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> 2 \u3064\u306e\u76f4\u7dda\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u77e5\u308b\u3082\u3046 1 \u3064\u306e\u65b9\u6cd5\u306f\u3001\u76f4\u7dda\u306e\u65b9\u7a0b\u5f0f\u306b\u3088\u3063\u3066\u5f62\u6210\u3055\u308c\u308b\u9023\u7acb\u65b9\u7a0b\u5f0f\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u306b\u56fa\u6709\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308b<\/strong>\u5834\u5408\u3001\u7dda\u306f\u4ea4\u5dee\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u30012 \u3064\u306e\u76f4\u7dda\u306e\u4ea4\u70b9\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u89e3\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u89e3\u306e\u306a\u3044\u7cfb<\/strong>\u306e\u5834\u5408\u3001\u3053\u308c\u306f\u7dda\u5206\u306b\u5171\u901a\u70b9\u304c\u306a\u304f\u3001\u3057\u305f\u304c\u3063\u3066\u5e73\u884c\u7dda\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u306b\u7121\u9650\u306b\u591a\u304f\u306e\u89e3\u304c\u3042\u308b<\/strong>\u5834\u5408\u3001\u3053\u308c\u306f\u7dda\u5206\u304c\u3059\u3079\u3066\u306e\u5171\u901a\u70b9\u3092\u6301\u3061\u3001\u3057\u305f\u304c\u3063\u3066\u7dda\u5206\u304c\u4ea4\u5dee\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-3\"><\/span>\u4f8b 3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u9023\u7acb\u65b9\u7a0b\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u3001\u6b21\u306e 2 \u3064\u306e\u76f4\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a333dd2d8363e9caf5bfcb7fcc4b307a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 3x+4y+5=0 \\qquad \\qquad s: \\ 5x+y-3=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"364\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> 2 \u3064\u306e\u76f4\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u30012 \u3064\u306e\u76f4\u7dda\u306b\u3088\u3063\u3066\u5f62\u6210\u3055\u308c\u308b\u6b21\u306e\u9023\u7acb\u4e00\u6b21\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\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-243b1e787e6532fbafbfca53d934f4ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l} 3x+4y+5=0\\\\[2ex] 5x+y-3=0\\end{array}\\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"143\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u5834\u5408\u306f\u4ee3\u5165\u6cd5\u3067\u7cfb\u3092\u89e3\u304d\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5909\u6570\u3092\u5206\u96e2\u3057\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-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>2 \u756a\u76ee\u306e\u5f0f\u304b\u3089\u5f97\u305f\u5024\u3092\u6700\u521d\u306e\u5f0f\u306b\u4ee3\u5165\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-ad3456c92c838f40d60afdb45e1eb2f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l} 3x+4y+5=0\\\\[2ex] 5x+y-3=0\\end{array}\\right\\} \\begin{array}{l} \\\\[2ex] \\longrightarrow \\ y=3-5x \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"279\" 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-e878bb5de718162dd547d349041c5a17_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+4(3-5x)+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"176\" 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-b44339147102246aa99ce775ae1f4415_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x+12-20x+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"171\" style=\"vertical-align: -2px;\"><\/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-e51763736cd6ea39f0cf08f9c8d067f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x-20x=-12-5\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"153\" 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-55630337168997a6a2a76aeaef1ad669_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-17x=-17\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"96\" 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-50540499fd4810f10aa8d48376dc8370_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{-17}{-17} = 1\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"107\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u3001\u672a\u77e5\u306e\u3082\u306e\u306b\u3069\u308c\u3060\u3051\u306e\u4fa1\u5024\u304c\u3042\u308b\u304b\u304c\u308f\u304b\u308c\u3070\u3001<\/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-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u306e\u5024\u3092\u3001\u898b\u3064\u304b\u3063\u305f\u5f0f\u306b\u4ee3\u5165\u3057\u307e\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-526e84c5b87e970b9045246e059785fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"18\" 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-b53c99a78c482f7c71588f8e0d769e9b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=3-5x \\ \\xrightarrow{x \\ = \\ 1} \\ y = 3 -5\\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"245\" 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-9985617b47dec6ac0faa8d98665cd8b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y = 3 -5 = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"118\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u30012 \u3064\u306e\u76f4\u7dda\u3067\u69cb\u6210\u3055\u308c\u308b\u9023\u7acb\u65b9\u7a0b\u5f0f\u306e\u89e3\u306f 1 \u3064\u3060\u3051\u5f97\u3089\u308c\u308b\u305f\u3081\u3001 <strong>2 \u3064\u306e\u76f4\u7dda\u306f\u4ea4\u5dee\u3057\u307e\u3059<\/strong>\u3002\u305d\u3057\u3066\u3001\u305d\u308c\u3089\u304c\u4ea4\u5dee\u3059\u308b\u70b9\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u89e3\u3001\u3064\u307e\u308a\u70b9\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-d9dbd776d7ff2a9a72963326b278e12b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(1,-2).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"57\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-posicion-relativa-de-dos-rectas-en-el-plano\"><\/span>\u5e73\u9762\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u76f8\u5bfe\u4f4d\u7f6e\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p>\u6b21\u306e\u7dda\u304c\u4ea4\u5dee\u3057\u3066\u3044\u308b\u304b\u3001\u5e73\u884c\u3067\u3042\u308b\u304b\u3001\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\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-d8857a4b8101efdfb88107fae20a16bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 3x-y+4=0 \\qquad \\qquad s: \\ 9x-3y+3=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"364\" style=\"vertical-align: -4px;\"><\/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\">\u3069\u3061\u3089\u306e\u76f4\u7dda\u3082\u6697\u9ed9\u7684\u306a (\u307e\u305f\u306f\u4e00\u822c\u7684\u306a) \u65b9\u7a0b\u5f0f\u3068\u3057\u3066\u8868\u73fe\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u308c\u3089\u306e\u4fc2\u6570\u306e\u3044\u305a\u308c\u304b\u304c\u6bd4\u4f8b\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\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-1fd9a2de250f3a5cb1a7025e30eb00b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{3}{9}=\\cfrac{-1}{-3} \\neq \\cfrac{4}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"99\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u76f4\u7dda\u306e\u4fc2\u6570 A \u3068 B \u306e\u307f\u304c\u76f8\u4e92\u306b\u6bd4\u4f8b\u3057\u3001\u4fc2\u6570 C \u306b\u306f\u6bd4\u4f8b\u3057\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001 <strong>2 \u3064\u306e\u76f4\u7dda\u306f\u5e73\u884c\u3067\u3059<\/strong>\u3002<\/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>\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u65b9\u7a0b\u5f0f\u3068\u3057\u3066\u8868\u3055\u308c\u308b\u6b21\u306e 2 \u3064\u306e\u76f4\u7dda\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\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-bafb951a2141722b0bbb7a1681f506ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=4-5t \\\\[2ex] y= 1+3t \\end{cases}\\qquad \\qquad s: \\ \\begin{cases} x=-2t \\\\[2ex] y=6+9t \\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"341\" style=\"vertical-align: 0px;\"><\/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\">2 \u672c\u306e\u76f4\u7dda\u306b\u3088\u3063\u3066\u5f62\u6210\u3055\u308c\u308b\u9023\u7acb\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3068\u3001\u305d\u308c\u3089\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u308c\u3089\u306f\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u3042\u308b\u305f\u3081\u3001\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u308c\u3089\u304c\u6bd4\u4f8b\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u7dda\u304c\u4ea4\u5dee\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u65b9\u7a0b\u5f0f\u7cfb\u5168\u4f53\u3092\u89e3\u304f\u306e\u306b\u305d\u308c\u307b\u3069\u6642\u9593\u306f\u304b\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p class=\"has-text-align-left\">\u5404\u30e9\u30a4\u30f3\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u30c7\u30ab\u30eb\u30c8\u5ea7\u6a19\u304c\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u524d\u306e\u6570\u5b57\u306b\u306a\u308b\u3088\u3046\u306b\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-40f8b062c79839dcf7f2885a9e1469e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"15\" 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-2428dfdbfe571940b2c02da2581f3c83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{r} =(-5,3) \\qquad \\qquad \\vv{s}=(-2,9)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"241\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u305d\u306e\u6bd4\u4f8b\u6027\u3092\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-38d5cefd7229992008378fea28376585_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{-5}{-2} \\neq \\cfrac{3}{9}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"65\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306f\u6bd4\u4f8b\u3057\u306a\u3044\u305f\u3081\u3001<strong>\u7dda\u306f\u4e92\u3044\u306b\u4ea4\u5dee\u3057\u307e\u3059<\/strong>\u3002<\/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>\u6b21\u306e\u7dda\u304c\u4ea4\u5dee\u3057\u3066\u3044\u308b\u304b\u3001\u5e73\u884c\u3067\u3042\u308b\u304b\u3001\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u793a\u3057\u3001(\u8a72\u5f53\u3059\u308b\u5834\u5408) \u305d\u308c\u3089\u306e\u9593\u306e\u4ea4\u70b9\u3082\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-9e1c8f120a7d86580808425ce4452bbc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=4x-5 \\qquad \\qquad s: \\ y=-2x+7\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"308\" style=\"vertical-align: -4px;\"><\/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\">2 \u3064\u306e\u76f4\u7dda\u306f\u660e\u793a\u7684\u306a\u65b9\u7a0b\u5f0f\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u3001\u7570\u306a\u308b\u50be\u304d\u3092\u6301\u3063\u3066\u3044\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-5f8ff0ff270ad51df36633f3a7da08f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r =4 \\neq m_s = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"147\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u50be\u304d\u304c\u7570\u306a\u308b\u305f\u3081\u3001<strong>\u7dda\u306f\u4ea4\u5dee\u3057\u307e\u3059<\/strong>\u3002<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u7dda\u304c\u4ea4\u5dee\u3059\u308b\u305f\u3081\u3001\u5171\u901a\u70b9\u304c 1 \u3064\u3042\u308a\u3001\u305d\u308c\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u30012 \u3064\u306e\u7dda\u306b\u3088\u3063\u3066\u5f62\u6210\u3055\u308c\u308b\u9023\u7acb\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\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-b3923ff74a214543ddd2cc44a42e3813_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l} y=4x-5\\\\[2ex] y=-2x+7\\end{array}\\right\\}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"117\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3053\u306e\u5834\u5408\u3001\u7b49\u5316\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u3092\u89e3\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-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u306f\u3059\u3067\u306b\u524a\u9664\u3055\u308c\u3066\u3044\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-1043bcfc74c9c720f4d738403a0a5de9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" 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-30260dd1609f72d1b91e2431be1c4fec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x-5=-2x+7\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"137\" style=\"vertical-align: -2px;\"><\/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-13a0532699efab3ce3fa0565ddd295f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x+2x=5+7\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"123\" style=\"vertical-align: -2px;\"><\/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-20e2c2528083b16701309669036284a5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6x=12\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"60\" 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-54e0507e23104e014591f7bb9d0b9e02_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=\\cfrac{12}{6} = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"85\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u672a\u77e5\u306e\u3082\u306e\u3092\u624b\u306b\u5165\u308c\u305f\u3089<\/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-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u306e\u5024\u3092\u4efb\u610f\u306e\u5f0f\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u3069\u308c\u304f\u3089\u3044\u306e\u4fa1\u5024\u304c\u3042\u308b\u304b\u3092\u8abf\u3079\u308b\u306b\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-fa1fe37c29ef252a2729d235c875f0ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=4x-5\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"82\" 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-e2858c9e13db1ef7d1777f6ee50501ae_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y = 4\\cdot 2 -5 = 8 -5 = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"190\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u30012 \u3064\u306e\u7dda\u306e\u4ea4\u70b9\u306f\u30b7\u30b9\u30c6\u30e0\u306e\u7d50\u679c\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-786ded60a053402b1fedabd27477fa77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(2,3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"38\" style=\"vertical-align: -5px;\"><\/p>\n<\/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>\u672a\u77e5\u6570\u306e\u5024\u3092\u8a08\u7b97\u3059\u308b<\/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>\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>\u6b21\u306e 2 \u3064\u306e\u7dda\u304c\u5e73\u884c\u306b\u306a\u308b\u3088\u3046\u306b\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-22406447457807bd671683c76d717494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 2x-4y+6=0 \\qquad \\qquad s: \\ x+ay+b=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"363\" style=\"vertical-align: -4px;\"><\/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\">\u7dda\u306f\u4e00\u822c\u7684\u306a (\u307e\u305f\u306f\u6697\u9ed9\u7684\u306a) \u65b9\u7a0b\u5f0f\u5f62\u5f0f\u3067\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u30012 \u3064\u306e\u76f4\u7dda\u304c\u5e73\u884c\u3067\u3042\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u308c\u3089\u306e\u4fc2\u6570 A \u3068 B \u304c\u6bd4\u4f8b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6b21\u306e\u65b9\u7a0b\u5f0f\u304c\u6e80\u305f\u3055\u308c\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-426cf79f7967a39d05301b57327425b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{1} = \\cfrac{-4}{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"65\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u672a\u77e5\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001\u524d\u306e\u5f0f\u3092\u89e3\u304f\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-2ebc59bdf10d3d739bfa532b65c85287_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u5206\u6570\u3092\u6a2a\u65b9\u5411\u306b\u4e57\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-778399973685974e5fab6ef86a4ff316_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot a = -4 \\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"98\" 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-fa72e494965cde5a39eef1003b449a40_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a = \\cfrac{-4}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/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-115c97df060d69970606b1ae494bb4b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{a=-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"55\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65b9\u3001\u7dda\u304c\u5e73\u884c\u3067\u3042\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u72ec\u7acb\u9805\u304c\u4ed6\u306e\u4fc2\u6570\u306b\u6bd4\u4f8b\u3059\u308b\u3053\u3068\u306f\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-0eee380a4c98c2379e3b88fb5c00038e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{1} \\neq \\cfrac{6}{b}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"43\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u524d\u3068\u540c\u69d8\u306b\u3001\u5206\u6570\u3092\u6a2a\u306b\u4e57\u7b97\u3057\u3066\u4e0d\u7b49\u5f0f\u3092\u89e3\u6c7a\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-e8f6fbac3664ac51fabbd88c63a6265c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot b \\neq 6 \\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" 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-0d382f6f8b7a55e13812975129a29da1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b \\neq \\cfrac{6}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"42\" style=\"vertical-align: -12px;\"><\/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-b74bf2f543632f7b7adec4ebd1f59b0e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{b\\neq 3}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"40\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3064\u307e\u308a\u30012\u672c\u306e\u76f4\u7dda\u304c\u5e73\u884c\u306b\u306a\u308b\u3088\u3046\u306b\u3001<\/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> 2\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3001\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>3 \u3092\u9664\u304f\u4efb\u610f\u306e\u5b9f\u6570\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/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>\u76f4\u7dda\u306b\u5e73\u884c\u306a\u76f4\u7dda\u306e\u660e\u793a\u7684\u306a\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-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>\u305d\u3057\u3066\u305d\u306e\u70b9\u3067\u4f55\u304c\u8d77\u3053\u308b\u304b<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f3beed6e0b45d9e34dfb895ea2711797_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(3,-1).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"71\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u307e\u3063\u3059\u3050\u3067\u3042\u308b\u3053\u3068<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c5986f031932e6b3512dc564514c34b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r:\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"17\" 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-731b64c6b0926aa016c615182da3d7d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\; y=2x+5\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"110\" style=\"vertical-align: -4px;\"><\/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\">\u7dda\u304c\u7dda\u3068\u5e73\u884c\u306b\u306a\u308b\u3088\u3046\u306b<\/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-42ca8c420951296e93092e708435813a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u4e21\u65b9\u3068\u3082\u540c\u3058\u50be\u304d\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u7dda\u306e\u50be\u304d<\/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>\u306f 2:<\/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-f3439899d4781058b8eb19021ac25e27_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u76f4\u7dda\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-1bbbc8cea82d1688f21bcabc8ef7fa3e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=2x+n\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"85\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7dda\u306e\u50be\u304d\u304c\u308f\u304b\u308c\u3070\u3001\u305d\u306e\u7dda\u306b\u5c5e\u3059\u308b\u70b9\u3092\u7dda\u306e\u65b9\u7a0b\u5f0f\u306b\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067 y \u5207\u7247\u3092\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-e83b6065f321642320b736c8b866043c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(3,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" 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-826526b2aef06a1f04f17c54f8db7369_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= 2x+n \\ \\xrightarrow{x=3 \\ ; \\ y=-1} \\ -1=2\\cdot 3 +n\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"303\" 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-0aba6175b45d89611019ec5f89ebd82f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-1=6+ n\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"87\" style=\"vertical-align: -2px;\"><\/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-afeec8d1085931aed83404a8a7ba45dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-1-6= n\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"87\" 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-35b29a0fad2239bd507e2d044f846092_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-7= n\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"56\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u76f4\u7dda\u306e\u660e\u793a\u7684\u306a\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-fd88ac415e522e13e3437bb0e3da393a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=2x-7}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p>\u3053\u3053\u307e\u3067\u3067\u304d\u305f\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u8a08\u753b\u5185\u306e 2 \u3064\u306e\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u7684\u306a\u4f4d\u7f6e\u3092\u3059\u3067\u306b\u30de\u30b9\u30bf\u30fc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3088\u304f\u3084\u3063\u305f\uff01<\/p>\n<p>\u3057\u304b\u3057\u3001\u591a\u304f\u306e\u4eba\u304c\u7591\u554f\u306b\u601d\u3063\u3066\u3044\u308b\u3053\u3068\u306e 1 \u3064\u306f&#8230;2 \u3064\u306e\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u3092\u77e5\u308b\u3053\u3068\u306b\u4f55\u306e\u610f\u5473\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b?<\/p>\n<p> 2 \u3064\u306e\u7dda\u306e\u9593\u306e\u8ddd\u96e2\u306e\u8a08\u7b97\u306f\u76f8\u5bfe\u7684\u306a\u4f4d\u7f6e\u306b\u4f9d\u5b58\u3059\u308b\u305f\u3081\u3001\u7dda\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u306e\u5fdc\u7528\u306e 1 \u3064\u306f\u30012 \u3064\u306e\u7dda\u306e\u9593\u306e\u8ddd\u96e2\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u7dda\u304c\u4ea4\u5dee\u3059\u308b\u304b\u4e00\u81f4\u3059\u308b\u5834\u5408\u3001\u8ddd\u96e2\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u4e00\u65b9\u3001\u7dda\u304c\u5e73\u884c\u306e\u5834\u5408\u306f\u3001\u7279\u5b9a\u306e\u516c\u5f0f\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u8208\u5473\u304c\u3042\u308b\u5834\u5408\u306f\u3001<a href=\"https:\/\/mathority.org\/ja\/2-\u672c\u306e\u5e73\u884c\u7dda\u9593\u306e\u8ddd\u96e2\u306e\u4f8b-\u89e3\u6c7a\u6e08\u307f\u6f14\u7fd2\u306e\u516c\u5f0f\/\">2 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