{"id":233,"date":"2023-07-10T20:04:36","date_gmt":"2023-07-10T20:04:36","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e5%9e%82%e7%9b%b4%e7%b7%9a%e3%81%ae%e5%ae%9a%e7%be%a9%e3%81%a8%e4%be%8b-%e7%9b%b4%e8%a7%92%e5%ba%a6\/"},"modified":"2023-07-10T20:04:36","modified_gmt":"2023-07-10T20:04:36","slug":"%e5%9e%82%e7%9b%b4%e7%b7%9a%e3%81%ae%e5%ae%9a%e7%be%a9%e3%81%a8%e4%be%8b-%e7%9b%b4%e8%a7%92%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e5%9e%82%e7%9b%b4%e7%b7%9a%e3%81%ae%e5%ae%9a%e7%be%a9%e3%81%a8%e4%be%8b-%e7%9b%b4%e8%a7%92%e5%ba%a6\/","title":{"rendered":"\u5782\u76f4\u7dda\uff08\u76f4\u89d2\u5ea6\uff09"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5782\u76f4\u7dda\u306b\u3064\u3044\u3066\u306e\u3059\u3079\u3066\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5782\u76f4\u7dda\u3068\u306f\u4f55\u304b\u30012 \u3064\u306e\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u5834\u5408\u3001\u3082\u3046\u4e00\u65b9\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3001\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306a\u3069\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u4f8b\u3082\u8868\u793a\u3055\u308c\u3001\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3055\u308c\u305f\u6f14\u7fd2\u3067\u7df4\u7fd2\u3057\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-son-dos-rectas-perpendiculares\"><\/span> 2\u672c\u306e\u5782\u76f4\u7dda\u3068\u306f\u4f55\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6570\u5b66\u3067\u306f\u3001 <strong>2 \u672c\u306e\u7dda\u304c 4 \u3064\u306e\u7b49\u3057\u3044\u76f4\u89d2 (90 \u5ea6) \u3092\u5f62\u6210\u3059\u308b\u70b9\u3067\u4ea4\u5dee\u3059\u308b\u3068\u304d\u3001\u5782\u76f4\u306b\u306a\u308a\u307e\u3059\u3002<\/strong> <\/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\/lignes-perpendiculaires-a-90-degres.webp\" alt=\"\u5782\u76f4\u7dda\u306e\u5b9a\u7fa9\" class=\"wp-image-1884\" width=\"189\" height=\"215\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p>\u3055\u3089\u306b\u30012 \u672c\u306e\u5782\u76f4\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3082\u5782\u76f4\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p> 2\u672c\u306e\u7dda\u306e\u76f4\u89d2\u5ea6\u306f\u4e00\u822c\u7684\u306b\u6b21\u306e\u8a18\u53f7\u3067\u8868\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-16cc41cf8b040f60cbf9c1a77e2ad217_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\perp .\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"23\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e00\u65b9\u3001\u5e73\u9762\u3067\u306f\u30012 \u3064\u306e\u7dda\u306e\u9593\u306e\u76f8\u5bfe\u4f4d\u7f6e\u306e\u6982\u5ff5\u306b\u306f 4 \u3064\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u30022 \u3064\u306e\u7dda\u306f\u3001\u5272\u7dda\u3001\u5782\u76f4\u3001\u4e00\u81f4\u3001\u307e\u305f\u306f\u5e73\u884c\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001Web \u30b5\u30a4\u30c8\u3067\u5404\u7dda\u7a2e\u306e\u610f\u5473\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcomo-saber-si-dos-rectas-son-perpendiculares\"><\/span> 2 \u672c\u306e\u7dda\u304c\u5782\u76f4\u304b\u3069\u3046\u304b\u306f\u3069\u3046\u3084\u3063\u3066\u308f\u304b\u308a\u307e\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> 2 \u672c\u306e\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001<strong>\u65b9\u5411\u30d9\u30af\u30c8\u30eb<\/strong>\u304b\u3089\u3001\u307e\u305f\u306f<strong>\u50be\u304d<\/strong>\u306b\u3088\u3063\u3066\u5224\u65ad\u3059\u308b 2 \u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4e21\u65b9\u306e\u65b9\u6cd5\u306e\u8aac\u660e\u3092\u793a\u3057\u307e\u3059\u3002\u76ee\u7684\u306f\u540c\u3058\u3067\u3059\u304c\u3001\u7dda\u306e\u8868\u73fe\u65b9\u6cd5\u306b\u3088\u3063\u3066\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u305f\u3081\u3001\u4e21\u65b9\u306e\u624b\u9806\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-partir-de-los-vectores-directores-de-las-rectas\"><\/span>\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304b\u3089<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>2 \u672c\u306e\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u77e5\u308b 1 \u3064\u306e\u65b9\u6cd5\u306f\u3001\u554f\u984c\u306e\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306f\u7dda\u306e\u65b9\u5411\u3092\u793a\u3059\u30d9\u30af\u30c8\u30eb\u3067\u3042\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p> 2 \u672c\u306e\u5782\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3082\u4e92\u3044\u306b\u76f4\u4ea4\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001 <strong>2 \u3064\u306e\u76f4\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u5185\u7a4d\u304c 0 \u306b\u7b49\u3057\u3044\u5834\u5408\u3001\u305d\u308c\u306f\u76f4\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\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-c201102642087540e4c21a1665044430_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r \\cdot \\vv{\\text{v}}_s =0 \\quad \\longrightarrow \\quad r \\perp s\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"193\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u4f8b\u3092\u4f7f\u7528\u3057\u3066\u30012 \u3064\u306e\u76f4\u7dda\u306e\u5782\u76f4\u5ea6\u304c\u3069\u306e\u3088\u3046\u306b\u6c7a\u5b9a\u3055\u308c\u308b\u304b\u3092\u898b\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-f8bad2c42aa92c183e085434ccb23cc2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=3-2t \\\\[2ex] y=6+3t \\end{cases}\\qquad \\qquad s: \\ \\begin{cases} x=4+3t \\\\[2ex] y=-2+2t \\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"355\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e21\u65b9\u306e\u7dda\u306f\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u65b9\u7a0b\u5f0f\u3068\u3057\u3066\u8868\u73fe\u3055\u308c\u308b\u305f\u3081\u3001\u5404\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u6210\u5206\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u524d\u306b\u3042\u308b\u6570\u5024\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-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-4eee87f939e1347ce3a11721f91a5acc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r =(-2,3) \\qquad \\qquad \\vv{\\text{v}}_s=(3,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"243\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u5404\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u30d9\u30af\u30c8\u30eb\u9593\u306e\u7a4d\u3092\u8a08\u7b97\u3057\u3066\u305d\u308c\u3089\u304c\u5782\u76f4\u304b\u3069\u3046\u304b\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-51919f2cdf78883698006b5416c75e77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r \\cdot \\vv{\\text{v}}_s = (-2,3)\\cdot (3,2) = -2\\cdot 3 +3\\cdot 2= \\bm{0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"328\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> 2 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u306e\u5185\u7a4d\u306f 0 \u3067\u3042\u308b\u305f\u3081\u3001\u7dda\u306f\u5782\u76f4\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-partir-de-las-pendientes-de-las-rectas\"><\/span>\u30e9\u30a4\u30f3\u306e\u50be\u304d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>2 \u672c\u306e\u7dda\u304c\u5782\u76f4\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u3082\u3046 1 \u3064\u306e\u65b9\u6cd5\u306f\u3001\u305d\u306e\u50be\u304d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u7dda\u306e\u50be\u304d\u304c\u4fc2\u6570\u3067\u3042\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\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-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u967d\u7684\u306a\u65b9\u7a0b\u5f0f\u3068\u76f4\u7dda\u306e\u70b9\u3068\u50be\u304d\u306e\u65b9\u7a0b\u5f0f\u306e\u95a2\u4fc2\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-554535c3d25b9adc547adff39b691f65_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=mx+n \\qquad \\qquad y-y_0=m(x-x_0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"311\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u307e\u305f\u3001\u7dda\u306e\u50be\u304d\u3082\u4fc2\u6570\u304b\u3089\u6c42\u3081\u308b\u3053\u3068\u304c\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-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" 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-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>\u76f4\u7dda\u306e\u6697\u9ed9\u7684\u306a (\u307e\u305f\u306f\u4e00\u822c\u7684\u306a) \u65b9\u7a0b\u5f0f\u306e\u6b21\u306e\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-c47d22e09faf9eaf8d2f27935a423b63_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C= 0 \\ \\longrightarrow \\ m = -\\cfrac{A}{B}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"257\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u30012 \u3064\u306e\u5782\u76f4\u7dda\u306e\u50be\u304d\u306f\u9006\u3067\u3042\u308a\u3001\u7b26\u53f7\u304c\u53cd\u5bfe\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u6b21\u306e\u7b49\u5f0f\u304c\u5e38\u306b\u6e80\u305f\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-94c7e21dab4f7cda13f9a8b546ee4e54_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r \\perp s \\quad \\longrightarrow \\quad m_r=-\\cfrac{1}{m_s}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"200\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066<strong>\u30012 \u3064\u306e\u7570\u306a\u308b\u76f4\u7dda\u306e\u50be\u304d\u306e\u7a4d\u304c -1 \u306b\u7b49\u3057\u3044\u5834\u5408\u3001\u3053\u308c\u306f\u76f4\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\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-193995c078284812be84bad6f05eff13_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r\\cdot m_s=-1\\quad \\longrightarrow \\quad r \\perp s\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"219\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e 2 \u3064\u306e\u7dda\u306f\u5782\u76f4\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-04ce16128540017bf7b474ec3617c13b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=2x+4 \\qquad \\qquad s: \\ y=-\\cfrac{1}{2} \\ x-5\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"315\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u50be\u304d\u304b\u3089\u3001\u305d\u308c\u3089\u304c\u4e92\u3044\u306b\u5782\u76f4\u306a 2 \u672c\u306e\u7dda\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5404\u7dda\u306e\u50be\u304d\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-03ca4d9c87593d5ee90f6ca37bef34b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r = 2 \\quad \\quad m_s=-\\cfrac{1}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"162\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u6b21\u306b\u3001\u50be\u304d\u3092\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-9753f87e74e86c067d7a70e512882b15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2 \\cdot \\left(-\\frac{1}{2} \\right) = -\\cfrac{2}{2} = \\bm{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"168\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p> 2 \u3064\u306e\u50be\u304d\u9593\u306e\u7a4d\u306f -1 \u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5b9f\u969b\u306b\u306f\u4e92\u3044\u306b\u5782\u76f4\u306a 2 \u672c\u306e\u7dda\u3092\u610f\u5473\u3057\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcomo-calcular-una-recta-perpendicular-a-otra\"><\/span>\u5225\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u96e3\u3057\u3044\u3088\u3046\u306b\u601d\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5225\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u3092\u898b\u3064\u3051\u308b\u306e\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u3053\u308c\u306b\u5fc5\u8981\u306a\u306e\u306f\u3001\u7dda\u306b\u5782\u76f4\u306a\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3068\u3001\u305d\u306e\u7dda\u306b\u5c5e\u3059\u308b\u70b9\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u552f\u4e00\u306e\u96e3\u70b9\u306f\u3001\u524d\u3068\u540c\u69d8\u306b\u3001\u624b\u9806\u304c\u76f4\u7dda\u304c\u8868\u73fe\u3055\u308c\u308b\u65b9\u7a0b\u5f0f\u306e\u7a2e\u985e\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u5225\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u306f\u3001<strong>\u65b9\u5411\u30d9\u30af\u30c8\u30eb<\/strong>\u307e\u305f\u306f<strong>\u50be\u304d<\/strong>\u304b\u3089\u8a08\u7b97\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-partir-del-vector-director-de-la-recta\"><\/span>\u53f3\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3088\u308a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5225\u306e\u6307\u5b9a\u3055\u308c\u305f\u7dda\u306b\u5782\u76f4\u306a\u7dda\u306f\u3001\u305d\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3092\u4f7f\u7528\u3057\u3066\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u4f7f\u3063\u3066\u3053\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u884c\u308f\u308c\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u76f4\u7dda\u306b\u5782\u76f4\u306a\u76f4\u7dda\u3092\u8a08\u7b97\u3057\u307e\u3059\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>\u70b9\u3092\u901a\u904e\u3059\u308b\u3082\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6958f848b3f39930bc315b56f627f888_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(5,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u3002\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<\/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-7b5fe80f13ce74c302e8c4d0d43312e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r : \\ 3x+2y-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"151\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u6700\u521d\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u76f4\u7dda\u306f\u4e00\u822c (\u307e\u305f\u306f\u6697\u9ed9\u7684\u306a) \u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u305f\u3081\u3001\u76f4\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u30c7\u30ab\u30eb\u30c8\u5ea7\u6a19\u306f\u76f4\u7dda\u306e\u4fc2\u6570 A \u3068 B \u3092\u4f7f\u7528\u3057\u3066\u53d6\u5f97\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-74a837dd4418af70e10fd09799b683fe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r =(-B,A)=(-2,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"180\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u3001\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u305d\u308c\u306b\u5782\u76f4\u306a\u30d9\u30af\u30c8\u30eb\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001<strong>\u30d9\u30af\u30c8\u30eb\u306e\u5ea7\u6a19\u3092\u633f\u5165\u3057\u3001\u305d\u306e\u3046\u3061\u306e 1 \u3064 (\u5fc5\u8981\u306a\u3082\u306e) \u306e\u7b26\u53f7\u3092\u5909\u66f4\u3059\u308b<\/strong>\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-2913de6424fc432232757bec39f35224_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_\\perp =(3,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"83\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3053\u308c\u3067\u3001\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u76f4\u7dda\u306e\u6697\u9ed9\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-7a24d8f41b3c82e25a2a64fed8dc6eb6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{c}\\vv{\\text{v}}= (-B,A) \\\\[2ex] \\vv{\\text{v}}_\\perp= (3,2) \\end{array} \\right\\}\\longrightarrow \\begin{array}{l}A=2 \\\\[2ex] B=-3 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"227\" 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-739e80921de1f58532cb80e39a1a99ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C \\ \\longrightarrow \\ 2x-3y+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"282\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc C \u3092\u6c7a\u5b9a\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u76f4\u7dda\u306b\u5c5e\u3059\u308b\u70b9\u3092\u65b9\u7a0b\u5f0f\u306b\u4ee3\u5165\u3057\u3001\u7d50\u679c\u3068\u3057\u3066\u5f97\u3089\u308c\u308b\u65b9\u7a0b\u5f0f\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-6958f848b3f39930bc315b56f627f888_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(5,-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-25eacf0bb239b6df3f13635fc3610581_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x-3y+C=0 \\ \\xrightarrow{x=5 \\ ; \\ y=-1} \\ 2\\cdot 5-3\\cdot (-1)+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"414\" 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-d9c027534a3012f424b71d9aca52bea6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"10+3+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"116\" 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-b8dd4128e8f4a94ad16032e46a92ad7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"13+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"85\" 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-b43941a755068a6653821916aa4c21fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=-13\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"70\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u5782\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-92146bbab9db27f4cd11c712a4903680_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{2x-3y-13=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"131\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-partir-de-la-pendiente-de-la-recta\"><\/span>\u7dda\u8def\u306e\u50be\u304d\u304b\u3089<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7279\u5b9a\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u3092\u898b\u3064\u3051\u308b\u3082\u3046 1 \u3064\u306e\u65b9\u6cd5\u306f\u3001\u305d\u306e\u50be\u304d\u304b\u3089\u6c42\u3081\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u7a2e\u306e\u554f\u984c\u304c\u3069\u306e\u3088\u3046\u306b\u89e3\u6c7a\u3055\u308c\u308b\u304b\u3092\u4f8b\u3067\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u76f4\u7dda\u306b\u5782\u76f4\u306a\u76f4\u7dda\u3092\u8a08\u7b97\u3057\u307e\u3059\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>\u70b9\u3092\u901a\u904e\u3059\u308b\u3082\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-36f2ed872a167a169d9067f4030a0d5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(0,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u3002\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<\/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-b5e02351a12a105d0752c9812b371ce2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r : \\ y=4x-3\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"112\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u7dda\u306e\u50be\u304d<\/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>\u6771\uff1a<\/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-6fd143f62c08661d4c17431b128bdcf9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r = 4\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u7dda\u306e\u50be\u304d\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u6b21\u306f\u5782\u7dda\u306e\u50be\u304d\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e0a\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u898b\u305f\u3088\u3046\u306b\u30012 \u672c\u306e\u5782\u76f4\u7dda\u306e\u50be\u304d\u306f\u9006\u3067\u3042\u308a\u3001\u7b26\u53f7\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001<strong>\u5782\u7dda\u306e\u50be\u304d\u3092\u6c7a\u5b9a\u3059\u308b\u306b\u306f\u3001\u898b\u3064\u304b\u3063\u305f\u50be\u304d\u3092\u53cd\u8ee2\u3057\u3001\u305d\u306e\u7b26\u53f7\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\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-f9601540b317cc3d7380a69255796aca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_\\perp =-\\cfrac{1}{4}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"75\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5782\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-c8bbb40f6658cea3b5ba541c3fbde45f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= mx+n\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"91\" 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-a1b0436cbb9c29ab635d768a6b4992a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=-\\cfrac{1}{4} \\ x + n\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"106\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u70b9\u306e\u5ea7\u6a19\u3092\u76f4\u7dda\u306e\u65b9\u7a0b\u5f0f\u306b\u4ee3\u5165\u3057\u3066\u3001\u5782\u7dda\u306e\u539f\u70b9\u306e\u7e26\u5ea7\u6a19\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-36f2ed872a167a169d9067f4030a0d5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(0,1)\" 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-db225675e4cae337af67d6e444297788_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=-\\cfrac{1}{4} \\ x + n \\ \\xrightarrow{x=0 \\ ; \\ y=1} \\ 1 =-\\cfrac{1}{4}\\cdot 0 + n\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"316\" 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-f995cf70a3bdfa97f5e6e43d1eb07e79_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1 = n\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3064\u307e\u308a\u3001\u5782\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-fcf81f387dca3d0d9a94c6bda81f55da_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=-}\\mathbf{\\cfrac{1}{4}} \\ \\bm{x + 1}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"105\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-las-rectas-perpendiculares\"><\/span>\u5782\u7dda\u306e\u6027\u8cea<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u3059\u3079\u3066\u306e\u5782\u76f4\u7dda\u306b\u306f\u6b21\u306e\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5bfe\u79f0\u95a2\u4fc2<\/strong>: \u3042\u308b\u7dda\u304c\u5225\u306e\u7dda\u306b\u5782\u76f4\u3067\u3042\u308b\u5834\u5408\u3001\u305d\u306e\u7dda\u306f\u6700\u521d\u306e\u7dda\u306b\u3082\u5782\u76f4\u3067\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-4aa9655b3cb67de93199cc9f3eb71a62_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r \\bm{\\perp} s \\ \\longrightarrow \\ s \\bm{\\perp} r\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"111\" style=\"vertical-align: -1px;\"><\/p>\n<\/p>\n<ul>\n<li><strong>\u975e\u53cd\u5c04\u7279\u6027<\/strong>: \u660e\u3089\u304b\u306b\u3001\u7dda\u81ea\u4f53\u306b\u5bfe\u3057\u3066\u5782\u76f4\u306b\u306a\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\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-7c08c6c671e03ca7c22766d8f645bdda_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r \\ \\cancel{\\bm{\\perp}}} \\ r\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li><strong>\u5b9a\u7406:<\/strong>\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u5e7e\u4f55\u5b66 (R2) \u3067\u306f\u30013 \u756a\u76ee\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u306e\u30da\u30a2\u306f\u5fc5\u305a\u5e73\u884c\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001\u3042\u308b\u7dda\u304c\u5225\u306e\u7dda\u306b\u5782\u76f4\u3067\u3001\u305d\u306e\u7dda\u304c 3 \u756a\u76ee\u306e\u7dda\u306b\u3082\u5782\u76f4\u3067\u3042\u308b\u5834\u5408\u3001\u6700\u521d\u3068\u6700\u5f8c\u306e\u7dda\u306f\u5e73\u884c\u306b\u306a\u308a\u307e\u3059\u3002 <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-rectas-perpendiculares\"><\/span>\u5782\u76f4\u7dda\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\u306e\u3046\u3061\u3001\u305d\u306e\u7dda\u306b\u5782\u76f4\u306a\u306e\u306f\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-5c5037ce20b6273bda9115a1470b37d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: y=3x+4\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"106\" style=\"vertical-align: -4px;\"><\/p>\n<p>? <\/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-c96cca208712edbd46c238771ddad6b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a : \\ y=3x-\\cfrac{1}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"115\" 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-152da266e1dea3f64c51d88fcbc704ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b : \\ y=-\\cfrac{1}{3} \\ x+5\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"132\" 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-288a904e7fd52ba5029d0a5d57fa8752_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"c : \\ y=-4x-3\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"125\" 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-16807ecd7f00eb3b7e692f76478671a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d : \\ y=\\cfrac{1}{3} \\ x-5\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"119\" 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-ff6cab5947ffdd02ca4833161b1625c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"e : \\ y=-\\cfrac{1}{3} \\ x-2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"132\" style=\"vertical-align: -12px;\"><\/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\u306e\u50be\u304d<\/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>\u306f 3:<\/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-d202572e12c5fe2c3cffe4f7c6d09317_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r=3\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u30012 \u672c\u306e\u5782\u76f4\u7dda\u306e\u50be\u304d\u306f\u9006\u3067\u7b26\u53f7\u304c\u53cd\u5bfe\u3067\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u306e\u50be\u304d\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-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>\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\uff1a<\/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-4b9027c99bc1ad7eac6b36ded5a45746_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_\\perp=-\\cfrac{1}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"75\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u7dda\u306b\u5782\u76f4\u306a\u7dda\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-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>\u50be\u304d\u304c\u6b21\u306e\u5024\u306b\u7b49\u3057\u3044\u3082\u306e\u3067\u3059<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-30825ab4708d7395a42caf877ba0dfc4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-\\cfrac{1}{3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"24\" style=\"vertical-align: -12px;\"><\/p>\n<p>\u3002\u3064\u307e\u308a\u3001\u30e9\u30a4\u30f3\u306f<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b302d0a4fd672870f1aaabe663fb222c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{b}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" 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-937e6cc7f576805fbfa37b069dd2fc95_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{e}.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" 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 2<\/h3>\n<p>\u6b21\u306e 2 \u3064\u306e\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u304b\u3069\u3046\u304b\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-9e9d2323afa87c41dec84f29a4c5d645_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x=4-t \\\\[2ex] y=1-3t \\end{cases}\\qquad \\qquad s: \\ \\cfrac{x-2}{4} = \\cfrac{y+3}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"354\" 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\">\u6a29\u5229<\/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>\u306f\u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u8868\u3055\u308c\u3001\u305d\u306e\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u6210\u5206\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u524d\u306e\u6570\u5b57\u306b\u306a\u308a\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-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-0e0e9ede5d6349c4137633fff84baf7d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r =(-1,-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"107\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65b9\u3001\u76f4\u7dda\u306f\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-ae1901659f469e6be883797bfd30f4f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u9023\u7d9a\u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u5ea7\u6a19\u306f\u5206\u6bcd\u306e\u6570\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-45ba04d949e5b931bf12b1f07458709b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_s =(4,6)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"79\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u5404\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304c\u308f\u304b\u3063\u305f\u3089\u30012 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u306e\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u3089\u304c\u5782\u76f4\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\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-508d919ed11a16d974092e1584ed26f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r \\cdot \\vv{\\text{v}}_s = (-1,-3)\\cdot (4,6) = -1\\cdot 4 + (-3)\\cdot 6= -22 \\bm{\\neq 0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"419\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> 2 \u3064\u306e\u30d9\u30af\u30c8\u30eb\u306e\u5185\u7a4d\u306f\u30bc\u30ed\u3067\u306f\u306a\u3044\u305f\u3081\u3001<strong>\u7dda\u306f\u5782\u76f4\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 3<\/h3>\n<p>\u76f4\u7dda\u306b\u5782\u76f4\u306a\u76f4\u7dda\u3092\u6c42\u3081\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>\u70b9\u3092\u901a\u904e\u3059\u308b\u3082\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-19ac02e5d213f97eca4e58d7ee294255_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(-2,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u3002\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-718a69e7e4cb1ceb384bee64ab980636_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r : \\ 4x-y+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"142\" 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\">\u6700\u521d\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u3001\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u76f4\u7dda\u306f\u4e00\u822c (\u307e\u305f\u306f\u6697\u9ed9\u7684\u306a) \u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u305f\u3081\u3001\u305d\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\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-3b8f5229715dc2eef5463c86f35b3be7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r =(-B,A)=(1,4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"166\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7dda\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u305d\u308c\u306b\u5782\u76f4\u306a\u30d9\u30af\u30c8\u30eb\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u30d9\u30af\u30c8\u30eb\u306e\u5ea7\u6a19\u3092\u633f\u5165\u3057\u3001\u305d\u306e\u3046\u3061\u306e 1 \u3064 (\u5fc5\u8981\u306a\u3082\u306e) \u306e\u7b26\u53f7\u3092\u5909\u66f4\u3059\u308b\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-e06f23ab893177822252009479d06ef4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_\\perp =(4,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"97\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u76f4\u7dda\u306e\u6697\u9ed9\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-8833b30c014bab389b6df773ac4c4ea2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{c}\\vv{\\text{v}}= (-B,A) \\\\[2ex] \\vv{\\text{v}}_\\perp= (4,-1) \\end{array} \\right\\}\\longrightarrow \\begin{array}{l}A=-1 \\\\[2ex] B=-4 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"229\" 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-e4263d73fd292a001dbb66b872100ce7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C \\ \\longrightarrow \\ -x-4y+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"287\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u672a\u77e5\u306e C \u3092\u6c7a\u5b9a\u3059\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u76f4\u7dda\u304c\u901a\u904e\u3059\u308b\u70b9\u3092\u65b9\u7a0b\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-19ac02e5d213f97eca4e58d7ee294255_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(-2,1)\" 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-feaf4319137783194208bab3d8b27cd8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-x-4y+C=0 \\ \\xrightarrow{x=-2 \\ ; \\ y=1} \\ -(-2)-4\\cdot 1+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"410\" 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-13f0dd72be01bffcbafc8807763a3087_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2-4+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"108\" 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-bdcf14f5dab12de955e6a53650944589_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-2+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"90\" 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-d481c86b32bd6e5b653830a2f3fcf0d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"46\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u5f8c\u306b\u3001\u5782\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-bb9e22da5ff6fc3387230d21835e6e47_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{-x-4y+2=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"126\" 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 4<\/h3>\n<p>\u76f4\u7dda\u306b\u5782\u76f4\u306a\u76f4\u7dda\u306e\u70b9\u3068\u50be\u304d\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-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>\u70b9\u3092\u901a\u904e\u3059\u308b\u3082\u306e<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0b29b047577dc4b6ad8c272c8910a828_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(3,-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u3002\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-f453909575cea8ee8b8beeae6b90dd11_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r : \\ y=5x+1\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"111\" 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\u306e\u50be\u304d<\/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>\u6771\uff1a<\/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-4b9bc2a1b6aa698be6c74b6c5163aaab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r = 5\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"55\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7dda\u306e\u50be\u304d\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u6b21\u306f\u5782\u7dda\u306e\u50be\u304d\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u898b\u3064\u304b\u3063\u305f\u50be\u304d\u3092\u9006\u306b\u3057\u3066\u3001\u305d\u306e\u7b26\u53f7\u3092\u5909\u66f4\u3059\u308b\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-8e251e13a4dc18e9e9ad9f007d574e8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_\\perp =-\\cfrac{1}{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"75\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u5f8c\u306b\u3001\u898b\u3064\u304b\u3063\u305f\u50be\u304d\u3068\u70b9\u306e\u5ea7\u6a19\u3092\u7dda\u306e\u70b9\u3068\u50be\u304d\u306e\u65b9\u7a0b\u5f0f\u306b\u4ee3\u5165\u3059\u308b\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-ad77eaddda7780dfbaa915f63ab9f9b0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y -y_0=m(x-x_0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"149\" 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-ac08ac6447fcf5ac3bb43ce7e49b3346_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-(-2)=-\\cfrac{1}{5} (x- 3)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"169\" 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-40c96f64c3dd3a5a575107b51f849422_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y+2=}\\mathbf{-\\cfrac{1}{5}}\\bm{ (x- 3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"138\" style=\"vertical-align: -12px;\"><\/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>\u6a29\u5229<\/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>\u70b9 (2,1) \u3068 (4,2) \u3092\u901a\u904e\u3057\u3001\u76f4\u7dda<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ae1901659f469e6be883797bfd30f4f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u70b9 (-1,2) \u3068 (1,-2) \u3092\u901a\u904e\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u304c 2 \u672c\u306e\u5782\u76f4\u7dda\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002 <\/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\">\u3053\u308c\u3089\u304c 2 \u672c\u306e\u5782\u76f4\u7dda\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u305d\u308c\u3089\u306e\u50be\u304d\u3092\u8a08\u7b97\u3057\u3001\u5782\u76f4\u95a2\u4fc2\u304c\u5c0a\u91cd\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u7dda\u306e\u50be\u304d\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\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-6ca826248e812d4f19056960777cb00f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m = \\cfrac{\\Delta y}{\\Delta x} = \\cfrac{y_2-y_1}{x_2-x_1}\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"150\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7dda\u306e\u50be\u304d<\/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>\u6771\uff1a<\/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-5c8ddf79708c435d198e76cd1ea60815_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m = \\cfrac{\\Delta y}{\\Delta x} = \\cfrac{2-1}{4-2} = \\cfrac{1}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"166\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7dda\u306e\u50be\u304d<\/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-ae1901659f469e6be883797bfd30f4f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6771\uff1a<\/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-ce3b21c5c5cc5a410787232d2fbd0d72_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m = \\cfrac{\\Delta y}{\\Delta x} = \\cfrac{-2-2}{1-(-1)} = \\cfrac{-4}{2}=-2\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"260\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> 2 \u672c\u306e\u7dda\u306e\u5782\u76f4\u6027\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u4e00\u65b9\u306e\u7dda\u306e\u50be\u304d\u304c\u3082\u3046\u4e00\u65b9\u306e\u50be\u304d\u306e\u9006\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u30012 \u3064\u306e\u50be\u304d\u306f\u9006\u3067\u3042\u308a\u3001\u7b26\u53f7\u3082\u53cd\u5bfe\u3067\u3042\u308b\u305f\u3081\u3001 <strong>2 \u3064\u306e\u76f4\u7dda\u306f\u4e92\u3044\u306b\u5782\u76f4\u306b\u306a\u308a\u307e\u3059\u3002<\/strong><\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 6<\/h3>\n<p>\u306e\u5024\u3092\u8a08\u7b97\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-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6b21\u306e 2 \u3064\u306e\u7dda\u304c\u5782\u76f4\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-bdd317b585815bfad6a5fece4d4df4a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ 5x+3y-7=0\\qquad \\qquad s: \\ 4x+ky+1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"374\" 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\u9670\u7684\u306a (\u307e\u305f\u306f\u4e00\u822c\u7684\u306a) \u65b9\u7a0b\u5f0f\u306e\u5f62\u5f0f\u3067\u8868\u73fe\u3055\u308c\u3001\u76f4\u7dda\u306e\u9670\u7684\u306a\u65b9\u7a0b\u5f0f\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\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-02f4d03229cc8bd79a81b676a8132f37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"137\" 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-d30ed471016fdffbd1d5366cf389f980_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}} =(-B,A)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"95\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u5404\u30e9\u30a4\u30f3\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\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-6e4aa58cc3dc6ccd5cb69990c6ffd3a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r =(-3,5) \\qquad \\qquad \\vv{\\text{v}}_s =(-k,4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"258\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> 2 \u672c\u306e\u7dda\u304c\u5782\u76f4\u306b\u306a\u308b\u306b\u306f\u3001\u305d\u308c\u3089\u306e\u65b9\u5411\u30d9\u30af\u30c8\u30eb\u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u304c\u30bc\u30ed\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u6761\u4ef6\u3092\u9069\u7528\u3057\u3066\u672a\u77e5\u306e\u5024\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-7cf6d2c84f82625cb8a795ee1394251f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" 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-4b2db86aa49b4d137058e4e611b75a0a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r \\cdot \\vv{\\text{v}}_s = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"79\" style=\"vertical-align: -3px;\"><\/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-ff262ea331d794bd6abd6255986cdfa1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(-3,5) \\cdot (-k,4)=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"152\" 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-805ab8de8d014fee5ab9d234172623cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3\\cdot (-k)+5\\cdot 4  = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"157\" 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-de68936df86c973d7be8c4726bc994b7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3k+20 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"91\" 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-f52e9afb8bc6935346bfde8bc58cf441_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3k =-20\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"74\" 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-79f675547d6064ad8f07f38640ec05de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{k = -}\\mathbf{\\cfrac{20}{3}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"70\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5782\u76f4\u7dda\u306b\u3064\u3044\u3066\u306e\u3059\u3079\u3066\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u5782\u76f4\u7dda\u3068\u306f\u4f55\u304b\u30012 \u3064\u306e\u7dda\u304c\u5782\u76f4\u3067\u3042\u308b\u5834\u5408\u3001\u3082\u3046\u4e00\u65b9\u306e\u7dda\u306b\u5782\u76f4\u306a\u7dda\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3001\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306a\u3069\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u4f8b\u3082\u8868\u793a\u3055\u308c\u3001\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6bb5\u968e\u7684\u306b &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e5%9e%82%e7%9b%b4%e7%b7%9a%e3%81%ae%e5%ae%9a%e7%be%a9%e3%81%a8%e4%be%8b-%e7%9b%b4%e8%a7%92%e5%ba%a6\/\"> <span class=\"screen-reader-text\">\u5782\u76f4\u7dda\uff08\u76f4\u89d2\u5ea6\uff09<\/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":[22],"tags":[],"class_list":["post-233","post","type-post","status-publish","format-standard","hentry","category-22"],"yoast_head":"<!-- This site is optimized 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