{"id":260,"date":"2023-07-10T06:35:06","date_gmt":"2023-07-10T06:35:06","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e7%bb%8f%e8%bf%87%e4%b8%a4%e7%bb%99%e5%ae%9a%e7%82%b9%e7%9a%84%e7%9b%b4%e7%ba%bf%e6%96%b9%e7%a8%8b-%e5%85%ac%e5%bc%8f-2\/"},"modified":"2023-07-10T06:35:06","modified_gmt":"2023-07-10T06:35:06","slug":"%e7%bb%8f%e8%bf%87%e4%b8%a4%e7%bb%99%e5%ae%9a%e7%82%b9%e7%9a%84%e7%9b%b4%e7%ba%bf%e6%96%b9%e7%a8%8b-%e5%85%ac%e5%bc%8f-2","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e7%bb%8f%e8%bf%87%e4%b8%a4%e7%bb%99%e5%ae%9a%e7%82%b9%e7%9a%84%e7%9b%b4%e7%ba%bf%e6%96%b9%e7%a8%8b-%e5%85%ac%e5%bc%8f-2\/","title":{"rendered":"\u7ecf\u8fc7\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\uff08\u516c\u5f0f\uff09"},"content":{"rendered":"<p>\u5728\u8fd9\u91cc\u60a8\u5c06\u627e\u5230\u5feb\u901f\u627e\u5230\u7ecf\u8fc7\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\u3002\u6b64\u5916\uff0c\u60a8\u5c06\u80fd\u591f\u770b\u5230\u793a\u4f8b\u5e76\u7ec3\u4e60\u7531 2 \u70b9\u786e\u5b9a\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u6c42\u89e3\u7ec3\u4e60\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=\"formula-de-la-ecuacion-de-la-recta-que-pasa-por-dos-puntos\"><\/span>\u901a\u8fc7\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5178\u578b\u7684\u76f4\u7ebf\u65b9\u7a0b\u95ee\u9898\u662f\u8ba1\u7b97\u7531\u4e24\u4e2a\u7ed9\u5b9a\u70b9\u786e\u5b9a\u7684\u76f4\u7ebf\u7684\u65b9\u7a0b\u3002\u5c3d\u7ba1\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3\u6b64\u7c7b\u95ee\u9898\uff0c\u4f46\u8fd9\u91cc\u6709\u4e00\u4e2a\u516c\u5f0f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u5feb\u901f\u8f7b\u677e\u5730\u76f4\u63a5\u627e\u5230\u8be5\u76f4\u7ebf\u7684\u65b9\u7a0b\uff1a <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-105\"><\/div>\n<\/div>\n<div style=\"background-color:#FFCC8080;padding-top: 20px; padding-bottom: 0.5px; padding-right: 30px; padding-left: 30px; border: 2px solid #FFB74D; border-radius:20px;\">\n<p style=\"text-align:left\">\u8003\u8651\u4f4d\u4e8e\u4e00\u6761\u76f4\u7ebf\u4e0a\u7684\u4e24\u4e2a\u70b9\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-7ceeb15f0a8e905e9a81db258ae193cd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1(x_1,y_1) \\qquad \\qquad  P_2(x_2,y_2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"220\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\"><strong>\u4ece 2 \u4e2a\u70b9\u6c42\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f<\/strong>\u4e3a\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<\/div>\n<p>\u7ed9\u5b9a\u4e24\u4e2a\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\u662f\u4ece<a href=\"https:\/\/mathority.org\/cn\/\u65b9\u7a0b\u70b9\u76f4\u7ebf\u659c\u7387\u516c\u5f0f\/\">\u76f4\u7ebf \u7684\u70b9\u659c\u7387\u65b9\u7a0b<\/a>\u63a8\u5bfc\u51fa\u6765\u7684\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-7c49124e9c4447c7db20a76176679b9d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= m (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"149\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u7531\u4e8e\u76f4\u7ebf\u7684\u659c\u7387\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8868\u8fbe\u5f0f\u8ba1\u7b97\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-4a88e2c28902f606d97c18ba771d9c76_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m=\\cfrac{y_2-y_1}{x_2-x_1}\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"99\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p>\u4e8b\u5b9e\u8bc1\u660e\uff0c\u7ed9\u5b9a\u4e24\u70b9\u5750\u6807\u7684\u65b9\u7a0b\u7684\u516c\u5f0f\u4e3a\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u8981\u786e\u5b9a\u76f4\u7ebf\u7684\u65b9\u7a0b\uff0c\u60a8\u53ea\u9700\u8981\u77e5\u9053\u5b83\u7ecf\u8fc7\u7684\u4e24\u4e2a\u70b9\u5373\u53ef\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-como-hallar-la-ecuacion-de-la-recta-dados-dos-puntos\"><\/span>\u7ed9\u5b9a\u4e24\u70b9\u5982\u4f55\u6c42\u76f4\u7ebf\u65b9\u7a0b\u7684\u793a\u4f8b<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-106\"><\/div>\n<\/div>\n<p>\u4e00\u65e6\u6211\u4eec\u4e86\u89e3\u4e86\u4e0a\u9762\u4e24\u70b9\u7ed9\u51fa\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u6c42\u89e3\u76f4\u7ebf\u65b9\u7a0b\u7684\u5178\u578b\u7ec3\u4e60\uff1a<\/p>\n<ul>\n<li>\u901a\u8fc7\u4ee5\u4e0b\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u662f\u4ec0\u4e48\uff1f<\/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-9a8192c5e1ed89b71dbcb9c7bd7643c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1 (3,1) \\qquad \\qquad P_2(-2,5)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"201\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u7531\u4e8e\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u76f4\u7ebf\u4e0a\u7684\u4e24\u4e2a\u70b9\uff0c\u6240\u4ee5\u6211\u4eec\u76f4\u63a5\u4f7f\u7528\u516c\u5f0f\u6765\u8ba1\u7b97\u5176\u65b9\u7a0b\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u5c06\u70b9\u7684\u5750\u6807\u4ee3\u5165\u516c\u5f0f\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-6b9c0239951de0ab27952da7f7b39228_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1= \\cfrac{5-1}{-2-3} (x-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"172\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u8ba1\u7b97\u76f4\u7ebf\u7684\u659c\u7387\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-b11b4ab8199ec8fa6ded3ff4bab951a4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1= \\cfrac{4}{-5} (x-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"142\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u7a7f\u8fc7\u8fd9\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u4e3a\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-3f8dcbe407c65719a4094fc1630cdc93_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y-1=-} \\mathbf{\\cfrac{4}{5}}\\bm{ (x-3)}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"143\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u7531\u4e8e\u8be5\u9648\u8ff0\u6ca1\u6709\u544a\u8bc9\u6211\u4eec\u5176\u4ed6\u60c5\u51b5\uff0c\u56e0\u6b64\u65e0\u9700\u8fdb\u4e00\u6b65\u7b80\u5316\u76f4\u7ebf\u65b9\u7a0b\uff0c\u5373\u4f7f\u8fd8\u5269\u4e0b\u4e00\u4e2a\u5206\u6570\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-la-ecuacion-de-la-recta-que-pasa-por-dos-puntos\"><\/span>\u89e3\u51b3\u4e86\u8fc7\u4e24\u70b9\u76f4\u7ebf\u65b9\u7a0b\u7684\u95ee\u9898<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<h3 class=\"wp-block-heading\">\u7ec3\u4e601<\/h3>\n<p>\u6c42\u901a\u8fc7\u4ee5\u4e0b\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\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-40e2b3beb2ff2f058df5534f1bd6b925_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1 (4,-1) \\qquad \\qquad P_2(5,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"201\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u7531\u4e8e\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u76f4\u7ebf\u4e0a\u7684\u4e24\u4e2a\u70b9\uff0c\u56e0\u6b64\u6211\u4eec\u76f4\u63a5\u5c06\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\u5e94\u7528\u4e8e\u4e24\u4e2a\u7ed9\u5b9a\u70b9\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06\u8fd9\u4e9b\u70b9\u7684\u7b1b\u5361\u5c14\u5750\u6807\u4ee3\u5165\u516c\u5f0f\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-c75c3e6820d69b59b21ff79e2aee3055_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-(-1)= \\cfrac{2-(-1)}{5-4} (x-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"214\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u540e\uff0c\u6211\u4eec\u8ba1\u7b97\u76f4\u7ebf\u7684\u659c\u7387\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-3646c71be87d906417e00a512450ca9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y+1= \\cfrac{3}{1} (x-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"128\" 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-9a70434a562eb7d94f6ff02d23de896a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y+1= 3(x-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"126\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u7a7f\u8fc7\u8fd9\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u4e3a\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-0e7c7f608e0e1ba52d453cad7a29e99d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y+1= 3(x-4)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"126\" 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\">\u7ec3\u4e602<\/h3>\n<p>\u6c42\u901a\u8fc7\u4ee5\u4e0b\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\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-449c593a7f91b28f1dd9fc4fafcbb456_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1 (-2,0) \\qquad \\qquad P_2(-3,1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u7531\u4e8e\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u5c5e\u4e8e\u8be5\u76f4\u7ebf\u7684\u4e24\u4e2a\u70b9\uff0c\u56e0\u6b64\u6211\u4eec\u76f4\u63a5\u4f7f\u7528\u5df2\u77e5\u76f4\u7ebf\u4e0e 2 \u4e2a\u70b9\u7684\u65b9\u7a0b\u7684\u516c\u5f0f\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06\u70b9\u7684\u5750\u6807\u4ee3\u5165\u516c\u5f0f\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-e75ee7be0059d4ada24e0f7b4f6e6dab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-0= \\cfrac{1-0}{-3-(-2)} (x-(-2))\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"228\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u540e\uff0c\u6211\u4eec\u8fdb\u884c\u64cd\u4f5c\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-ba817d491a77659d6914fd3d922c5d65_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= \\cfrac{1}{-1} (x+2)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"111\" 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-4013da340a996b232b4351b93f99fb0e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= -(x+2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"100\" 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-c9e5e6847927e6de05d26a98798e8045_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= -x-2\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"87\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u7a7f\u8fc7\u8fd9\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u4e3a\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-bf7a5631fec6de1cfdd67faf66f555fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y= -x-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"87\" 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\">\u7ec3\u4e603<\/h3>\n<p>\u4e0d\u8fdb\u884c\u4efb\u4f55\u8ba1\u7b97\uff0c\u786e\u5b9a\u4f4d\u4e8e\u4ee5\u4e0b\u76f4\u7ebf\u4e0a\u7684\u70b9\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-7e4f26efe26514fe7d533f7fdd747bb8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-2= 4(x+1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"126\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u76f4\u7ebf\u4e0a\u7684\u4e00\u70b9\u53ef\u4ee5\u4ece\u7a7f\u8fc7 2 \u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\u63a8\u5bfc\u51fa\u6765\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u8be5\u70b9\u7684 Y \u5750\u6807\u5c06\u662f\u53d8\u91cf\u4e4b\u524d\u7684\u9879<\/p>\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>\u6539\u53d8\u7b26\u53f7\uff0c\u8be5\u70b9\u7684 X \u5750\u6807\u5c06\u662f\u8d1f\u62ec\u53f7\u5185\u7684\u6570\u5b57\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-3f849e2fdf475435eebc132939a74b5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{P(-1,2)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" 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\">\u7ec3\u4e604<\/h3>\n<p>\u5728\u7531\u4ee5\u4e0b\u4e24\u70b9\u5b9a\u4e49\u7684\u7ebf\u4e0a\u627e\u5230\u7b2c\u4e09\u4e2a\u70b9\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-a6a2c2ef1acf12bef1ade57d448b42f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1 (4,1) \\qquad \\qquad P_2(2,-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"201\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6211\u4eec\u9996\u5148\u5fc5\u987b\u7528\u4ee5\u4e0b\u516c\u5f0f\u627e\u5230\u76f4\u7ebf\u65b9\u7a0b\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-6f97d63f216910e7979937859fb90a10_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-y_1= \\cfrac{y_2-y_1}{x_2-x_1} (x-x_1)\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"193\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-752b74526fdd4bc4970a9a037c6ac15e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1= \\cfrac{-3-1}{2-4} (x-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"180\" 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-9fea65fc79fdb19c1097f29b911daa4b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1= \\cfrac{-4}{-2} (x-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"150\" 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-b836e74f660a6877ae793959df453a75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1= 2(x-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"126\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u627e\u5230\u7a7f\u8fc7\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8ba1\u7b97\u7b2c\u4e09\u4e2a\u70b9\uff0c\u4e3a\u5176\u4e2d\u4e00\u4e2a\u53d8\u91cf\u63d0\u4f9b\u4efb\u610f\u503c\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u5c06<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d762821a7c6da83f02380639f43ef8fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=0:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"52\" 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-ad17dbcbf3ba82c6c3981fce09749329_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1= 2(x-4) \\ \\xrightarrow{x \\ = \\ 0} \\ y-1= 2(0-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"321\" 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-18fc690cbc8ae58fe3d447c7e78ad2a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1=2\\cdot (-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"121\" 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-ddbb79ff4f8113a4a9b33bbdc5c43511_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y-1=-8\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"86\" 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-d77f8c2abd9c14cf0bb3b893f44dba95_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=-8+1\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"85\" 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-c15f100d859ec9077a43994ca473b018_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=-7\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"56\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6240\u4ee5\u5c5e\u4e8e\u8be5\u7ebf\u7684\u53e6\u4e00\u4e2a\u70b9\u7684\u5750\u6807\u662f\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-5d4a9f89f567988d567c2005e40c00ef_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{P(0,-7)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fd9\u91cc\u60a8\u5c06\u627e\u5230\u5feb\u901f\u627e\u5230\u7ecf\u8fc7\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u516c\u5f0f\u3002\u6b64\u5916\uff0c\u60a8\u5c06\u80fd\u591f\u770b\u5230\u793a\u4f8b\u5e76\u7ec3\u4e60\u7531 2 \u70b9\u786e\u5b9a\u7684\u76f4\u7ebf\u65b9\u7a0b\u7684\u6c42\u89e3\u7ec3\u4e60 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e7%bb%8f%e8%bf%87%e4%b8%a4%e7%bb%99%e5%ae%9a%e7%82%b9%e7%9a%84%e7%9b%b4%e7%ba%bf%e6%96%b9%e7%a8%8b-%e5%85%ac%e5%bc%8f-2\/\"> <span class=\"screen-reader-text\">\u7ecf\u8fc7\u4e24\u70b9\u7684\u76f4\u7ebf\u65b9\u7a0b\uff08\u516c\u5f0f\uff09<\/span> \u67e5\u770b\u5168\u6587 &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":[15],"tags":[],"class_list":["post-260","post","type-post","status-publish","format-standard","hentry","category-15"],"yoast_head":"<!-- This site is optimized 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