{"id":230,"date":"2023-07-10T20:47:48","date_gmt":"2023-07-10T20:47:48","guid":{"rendered":"https:\/\/mathority.org\/cn\/%e5%b9%b3%e8%a1%8c%e7%ba%bf%e7%9a%84%e5%ae%9a%e4%b9%89%e5%92%8c%e4%be%8b%e5%ad%90\/"},"modified":"2023-07-10T20:47:48","modified_gmt":"2023-07-10T20:47:48","slug":"%e5%b9%b3%e8%a1%8c%e7%ba%bf%e7%9a%84%e5%ae%9a%e4%b9%89%e5%92%8c%e4%be%8b%e5%ad%90","status":"publish","type":"post","link":"https:\/\/mathority.org\/cn\/%e5%b9%b3%e8%a1%8c%e7%ba%bf%e7%9a%84%e5%ae%9a%e4%b9%89%e5%92%8c%e4%be%8b%e5%ad%90\/","title":{"rendered":"\u5e73\u884c\u7ebf"},"content":{"rendered":"<p>\u5728\u8fd9\u91cc\uff0c\u60a8\u5c06\u627e\u5230\u6709\u5173\u5e73\u884c\u7ebf\u7684\u6240\u6709\u5185\u5bb9\uff1a\u5b83\u4eec\u7684\u542b\u4e49\u3001\u5982\u4f55\u786e\u5b9a\u4e24\u6761\u7ebf\u662f\u5426\u5e73\u884c\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u7b49\u3002\u6b64\u5916\uff0c\u60a8\u5c06\u80fd\u591f\u770b\u5230\u4e00\u4e9b\u5e73\u884c\u7ebf\u7684\u793a\u4f8b\u548c\u5df2\u89e3\u51b3\u7684\u7ec3\u4e60\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-son-las-rectas-paralelas\"><\/span>\u4ec0\u4e48\u662f\u5e73\u884c\u7ebf\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u5e73\u884c\u7ebf\u662f\u90a3\u4e9b\u6c38\u8fdc\u4e0d\u76f8\u4ea4\u7684\u7ebf\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5373\u4f7f\u5b83\u4eec\u7684\u8f68\u8ff9\u5ef6\u4f38\u5230\u65e0\u7a77\u8fdc\uff0c\u5b83\u4eec\u4e5f\u6c38\u8fdc\u4e0d\u4f1a\u4e92\u76f8\u63a5\u89e6\u3002<\/strong>\u56e0\u6b64\uff0c\u4e24\u6761\u5e73\u884c\u7ebf\u7684\u70b9\u5f7c\u6b64\u4e4b\u95f4\u7684\u8ddd\u79bb\u59cb\u7ec8\u76f8\u540c\uff0c\u800c\u4e14\u4e24\u6761\u5e73\u884c\u7ebf\u6ca1\u6709\u516c\u5171\u70b9\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4e24\u6761\u7ebf\u662f\u5e73\u884c\u7684\uff1a <\/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\/droites-paralleles-a-langle.webp\" alt=\"\u4ec0\u4e48\u662f\u5e73\u884c\u7ebf\" class=\"wp-image-1643\" width=\"212\" height=\"191\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p>\u6211\u4eec\u4e00\u822c\u75282\u4e2a\u7ad6\u6761||\u6765\u8868\u793a\u4e24\u6761\u7ebf\u5e73\u884c\u5b57\u91cc\u884c\u95f4<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5c3d\u7ba1\u4e24\u6761\u5e73\u884c\u7ebf\u6c38\u8fdc\u4e0d\u4f1a\u76f8\u4ea4\uff0c\u4f46\u5728\u89e3\u6790\u51e0\u4f55\u4e2d\u6211\u4eec\u8bf4\u5b83\u4eec\u5f62\u6210 0\u00b0 \u89d2\uff0c\u56e0\u4e3a\u5b83\u4eec\u5177\u6709\u76f8\u540c\u7684\u65b9\u5411\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcuando-dos-rectas-son-paralelas\"><\/span>\u4ec0\u4e48\u65f6\u5019\u4e24\u6761\u7ebf\u5e73\u884c\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e00\u65e6\u6211\u4eec\u4e86\u89e3\u4e86\u5e73\u884c\u7ebf\u7684\u5b9a\u4e49\uff0c\u6211\u4eec\u5c31\u4f1a\u77e5\u9053\u5982\u4f55\u627e\u5230\u4e24\u6761\u5e73\u884c\u7ebf\u3002\u663e\u7136\uff0c\u4e00\u79cd\u65b9\u6cd5\u662f\u7ed8\u5236\u7ebf\u6761\u5e76\u67e5\u770b\u5b83\u4eec\u662f\u5426\u5728\u56fe\u5f62\u4e0a\u76f8\u4ea4\uff0c\u4f46\u8fd8\u6709\u66f4\u7b80\u5355\u4e14\u6613\u4e8e\u4f7f\u7528\u7684\u65b9\u6cd5\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"determinar-el-paralelismo-de-dos-rectas-con-sus-pendientes\"><\/span>\u786e\u5b9a\u4e24\u6761\u7ebf\u7684\u5e73\u884c\u5ea6\u53ca\u5176\u659c\u7387<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u6bcf\u6761\u7ebf\u7684\u659c\u7387\u6765\u5224\u65ad\u4e24\u6761\u7ebf\u4f55\u65f6\u5e73\u884c\u3002\u8bf7\u8bb0\u4f4f\uff0c\u76f4\u7ebf\u7684\u659c\u7387\u662f\u53c2\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-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>\u7531\u76f4\u7ebf\u7684\u663e\u5f0f\u65b9\u7a0b\u548c\u70b9\u659c\u7387\u65b9\u7a0b\u53ef\u5f97\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-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>\u4f46\u662f\uff0c\u786e\u5b9a\u76f4\u7ebf\u659c\u7387\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u56e0\u6b64\u8981\u4e86\u89e3\u5982\u4f55\u8ba1\u7b97\u659c\u7387\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u67e5\u770b<a href=\"https:\/\/mathority.org\/cn\/\u76f4\u7ebf\u659c\u7387\u516c\u5f0f\/\">\u76f4\u7ebf\u659c\u7387\u516c\u5f0f<\/a>\u3002\u6b64\u5916\uff0c\u5728\u94fe\u63a5\u9875\u9762\u4e0a\uff0c\u60a8\u8fd8\u53ef\u4ee5\u627e\u5230\u6709\u5173\u76f4\u7ebf\u659c\u7387\u4ee3\u8868\u4ec0\u4e48\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u5b83\u5bf9\u76f4\u7ebf\u5982\u6b64\u91cd\u8981\u7684\u89e3\u91ca\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u5e73\u9762\u4e2d\uff0c<strong>\u5982\u679c\u4e24\u6761\u7ebf\u5177\u6709\u76f8\u540c\u7684\u659c\u7387<\/strong>\uff08\u7cfb\u6570m\uff09<strong>\u548c\u5728\u539f\u70b9\u5904\u7684\u4e0d\u540c\u7eb5\u5750\u6807<\/strong>\uff08\u7cfb\u6570n\uff09\uff0c\u5219\u4e24\u6761\u7ebf\u5e73\u884c<strong>\u3002<\/strong><\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4e24\u6761\u7ebf\u662f\u5e73\u884c\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-9c3b90bedb2e4cabf5abbe2e1503a297_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ y=5x+1 \\qquad \\qquad s: \\ y=5x-3\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"294\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u5b83\u4eec\u662f\u4e24\u6761\u5e73\u884c\u7ebf\uff0c\u56e0\u4e3a\u5b83\u4eec\u90fd\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\uff0c\u800c\u4e14\u5b83\u4eec\u7684\u72ec\u7acb\u9879\u4e0d\u540c\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-38578bc1ef19827cb3e3979a1320c2b8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r =m_s =5\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"101\" 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-16a05a21fe1359e991a46663d98f9cfa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_r =1 \\neq n_s =-3\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"139\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u5e94\u8be5\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u4e24\u6761\u7ebf\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\u5e76\u4e14\u540c\u65f6\u4f4d\u4e8e\u539f\u70b9\u7684\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\uff0c\u5219\u5b83\u4eec\u5c06\u662f<strong>\u76f8\u540c\u7684\u7ebf<\/strong>\uff0c\u56e0\u4e3a\u5b83\u4eec\u5c06\u5b8c\u5168\u76f8\u540c\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"hallar-el-paralelismo-de-dos-rectas-a-partir-de-la-ecuacion-implicita\"><\/span>\u4ece\u9690\u5f0f\u65b9\u7a0b\u6c42\u4e24\u6761\u76f4\u7ebf\u7684\u5e73\u884c\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u8be5\u76f4\u7ebf\u7684\u9690\u5f0f\uff08\u6216\u4e00\u822c\uff09\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-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>\u56e0\u6b64\uff0c<strong>\u5982\u679c\u4e24\u6761\u7ebf\u7684\u7cfb\u6570 A \u548c B \u5f7c\u6b64\u6210\u6bd4\u4f8b\uff0c\u4f46\u4e0e\u7cfb\u6570 C \u4e0d\u6210\u6bd4\u4f8b<\/strong>\uff0c\u5219\u610f\u5473\u7740\u8fd9\u4e24\u6761\u7ebf\u662f\u5e73\u884c\u7684\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-ce8e0c71142b89e0985aa730b40f15db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ Ax+By+C=0 \\qquad \\qquad s: \\ A'x+B'y+C'=0\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"417\" 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-b71b3ef6225dee8ab67d4cb0586d2eb6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{A}{A'} = \\cfrac{B}{B'} \\neq \\cfrac{C}{C'} \\quad \\bm{\\longrightarrow} \\quad r \\parallel s\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"206\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u8fd9\u662f\u7528\u4e00\u822c\uff08\u6216\u9690\u5f0f\uff09\u65b9\u7a0b\u5f62\u5f0f\u8868\u793a\u7684\u4e24\u6761\u5e73\u884c\u7ebf\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-933c8de113e41643cb6d90ee628a7647_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 4x-6y+7=0 \\qquad \\qquad s: \\ -2x+3y-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"387\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u5b83\u4eec\u662f\u5e73\u884c\u7684\uff0c\u56e0\u4e3a\u53d8\u91cf\u524d\u9762\u7684\u6570\u5b57<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e0e\u53d8\u91cf\u524d\u9762\u7684\u6570\u5b57\u6210\u6b63\u6bd4<\/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>\uff0c\u4f46\u4e0d\u5177\u6709\u72ec\u7acb\u9879\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-883f961c4fb1d1a5077360ddf3a83add_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{4}{-2} = \\cfrac{-6}{3} = -2 \\neq \\cfrac{7}{-1}=-7\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"220\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u548c\u4e4b\u524d\u4e00\u6837\uff0c\u5982\u679c\u4e24\u6761\u9690\u5f0f\u7ebf\u7684\u6240\u6709\u7cfb\u6570\uff08A\u3001B \u548c C\uff09\u6210\u6bd4\u4f8b\uff0c\u5219\u610f\u5473\u7740\u4e24\u6761\u7ebf\u91cd\u5408\uff0c\u6216\u8005\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u4eec\u76f8\u7b49\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-las-rectas-paralelas\"><\/span>\u5e73\u884c\u7ebf\u7684\u6027\u8d28<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5e73\u884c\u7ebf\u7684\u7279\u70b9\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u5bf9\u79f0\u6027<\/strong>\uff1a\u5982\u679c\u4e00\u6761\u7ebf\u4e0e\u53e6\u4e00\u6761\u7ebf\u5e73\u884c\uff0c\u5219\u8be5\u7ebf\u4e5f\u4e0e\u7b2c\u4e00\u6761\u7ebf\u5e73\u884c\u3002\u5782\u76f4\u7ebf\u4e5f\u5177\u6709\u8fd9\u4e2a\u6027\u8d28\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-cde8c90b403c06e960548aa1ae07838e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r \\parallel s \\ \\longrightarrow \\ s \\parallel r\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"121\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li><strong>\u4f20\u9012\u6027<\/strong>\uff1a\u5982\u679c\u4e00\u6761\u7ebf\u4e0e\u53e6\u4e00\u6761\u7ebf\u5e73\u884c\uff0c\u5e76\u4e14\u7b2c\u4e8c\u6761\u7ebf\u4e0e\u7b2c\u4e09\u6761\u7ebf\u5e73\u884c\uff0c\u5219\u7b2c\u4e00\u6761\u7ebf\u4e5f\u4e0e\u7b2c\u4e09\u6761\u7ebf\u5e73\u884c\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-d8ed30d043440defc6ebfd30c740e937_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left. \\begin{array}{c} r \\parallel s\\\\[2ex] s \\parallel q \\end{array} \\right\\} \\longrightarrow \\ r \\parallel q\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"139\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u4e24\u6761\u5e73\u884c\u7ebf\u7684\u65b9\u5411<strong>\u5411\u91cf<\/strong>\uff08\u8868\u793a\u7ebf\u7684\u65b9\u5411\u7684\u5411\u91cf\uff09\u7684\u6807\u91cf\u79ef\u7b49\u4e8e\u5b83\u4eec\u7684\u6a21\u7684\u4e58\u79ef\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-dc62cec1dba854bf4f122a3a258615b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r \\parallel s \\ \\longrightarrow \\ \\vv{\\text{v}}_r \\cdot \\vv{\\text{v}}_s= \\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{\\text{v}}_s \\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"219\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul>\n<li>\u6b64\u5916\uff0c\u4e24\u6761\u5e73\u884c\u7ebf\u7684\u65b9\u5411\u77e2\u91cf\u59cb\u7ec8\u5f7c\u6b64\u7ebf\u6027\u76f8\u5173\uff0c\u56e0\u4e3a\u5b83\u4eec\u6210<strong>\u6bd4\u4f8b<\/strong>\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u6761\u4ef6\u662f\u76f4\u7ebf\u5e73\u884c\u7684\u5fc5\u8981\u6761\u4ef6\uff0c\u4f46\u4e0d\u662f\u5145\u5206\u6761\u4ef6\uff0c\u6216\u8005\u6362\u53e5\u8bdd\u8bf4\uff0c\u4e24\u6761\u5e73\u884c\u7ebf\u5fc5\u987b\u5177\u6709\u6210\u6bd4\u4f8b\u7684\u65b9\u5411\u5411\u91cf\uff0c\u4f46\u4e24\u6761\u76f4\u7ebf\u5177\u6709\u6210\u6bd4\u4f8b\u7684\u65b9\u5411\u5411\u91cf\u8fd9\u4e00\u4e8b\u5b9e\u5e76\u4e0d\u76f4\u63a5\u610f\u5473\u7740\u5b83\u4eec\u662f\u5e73\u884c\u7684\u3002\u7531\u4e8e\u91cd\u5408\u7ebf\u4e5f\u5177\u6709\u6210\u6bd4\u4f8b\u7684\u65b9\u5411\u77e2\u91cf\u3002<\/p>\n<ul>\n<li>\u5e73\u884c\u4e8e\u6a2a\u5750\u6807\u8f74\uff08X \u8f74\uff09\u7684\u7ebf\u662f\u6c34\u5e73\u7684\uff0c\u5e76\u4e14\u59cb\u7ec8\u5177\u6709\u4ee5\u4e0b\u5f62\u5f0f\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-afa765d3f555400c4f5b69f3a3d3d4a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=k.\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"47\" style=\"vertical-align: -4px;\"><\/p>\n<\/li>\n<\/ul>\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-paralleles-axe-x.webp\" alt=\"\u5e73\u884c\u4e8e OX \u8f74\u7684\u76f4\u7ebf\" class=\"wp-image-1823\" width=\"356\" height=\"291\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<ul>\n<li>\u5e73\u884c\u4e8e\u8ba1\u7b97\u673a\u8f74\uff08Y \u8f74\uff09\u7684\u7ebf\u662f\u5782\u76f4\u7684\uff0c\u5e76\u4e14\u59cb\u7ec8\u9075\u5faa\u8868\u8fbe\u5f0f\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9c28d78386332247b427523e1e946b18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=k.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\"><\/p>\n<\/li>\n<\/ul>\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-paralleles-axe-y.webp\" alt=\"\u5e73\u884c\u4e8e OY \u8f74\u7684\u76f4\u7ebf\" class=\"wp-image-1824\" width=\"396\" height=\"305\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"como-calcular-la-distancia-entre-dos-rectas-paralelas-en-el-plano\"><\/span>\u5982\u4f55\u8ba1\u7b97\u5e73\u9762\u5185\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u8981\u627e\u5230\u5e73\u9762\u4e2d\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\uff08\u5728 R2 \u4e2d\uff09\uff0c\u53ea\u9700\u5728\u4e24\u6761\u7ebf\u4e0a\u53d6\u4e00\u70b9\u5e76\u8ba1\u7b97\u4ece\u8be5\u70b9\u5230\u53e6\u4e00\u6761\u7ebf\u7684\u8ddd\u79bb\u5373\u53ef\u3002<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u8fd9\u6837\u505a\uff0c\u56e0\u4e3a\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u59cb\u7ec8\u76f8\u540c\u3002 <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/distance-entre-un-point-et-une-ligne-en-ligne.webp\" alt=\"\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\" class=\"wp-image-1960\" width=\"421\" height=\"358\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u4f7f\u7528\u516c\u5f0f\u65f6\u6211\u4eec\u5f97\u5230\u7684\u8ddd\u79bb\u4e3a 0 \u4e2a\u5355\u4f4d\uff0c\u5219\u610f\u5473\u7740\u8fd9\u4e9b\u7ebf\u5728\u67d0\u4e2a\u70b9\u5f7c\u6b64\u63a5\u89e6\uff0c\u56e0\u6b64\uff0c\u8fd9\u4e9b\u7ebf\u4e0d\u662f\u5e73\u884c\u7684\uff0c\u800c\u662f\u76f8\u4ea4\u3001\u91cd\u5408\u6216\u5782\u76f4\u7684\u3002\u5982\u679c\u60a8\u613f\u610f\uff0c\u60a8\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u7f51\u7ad9\u4e0a\u67e5\u770b\u6b64\u7c7b\u7ebf\u8def\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u8fd9\u662f\u5982\u4f55\u5b8c\u6210\u7684\uff0c\u6211\u4eec\u5c06\u786e\u5b9a\u4ee5\u4e0b\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u4f5c\u4e3a\u793a\u4f8b\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-8be694174fbd8330f207d16a9fb4bb89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 2x-4y-6=0 \\qquad \\qquad s: \\ -x+2y+4=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"378\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u6211\u4eec\u9700\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u662f\u5728\u4e00\u6761\u7ebf\u4e0a\uff08\u60a8\u60f3\u8981\u7684\u7ebf\uff09\u4e0a\u5f97\u5230\u4e00\u4e2a\u70b9\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u8ba1\u7b97\u7ebf\u4e0a\u7684\u4e00\u4e2a\u70b9<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-23a7daa116b8874af1538c91f8d239de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u4e3a\u5176\u4e2d\u4e00\u4e2a\u53d8\u91cf\u8d4b\u4e88\u4e00\u4e2a\u503c\uff0c\u4f8b\u5982\u6211\u4eec\u5c06\u8fd9\u6837\u505a<\/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-3b748efe6f89a8c847e2e6c2d5a78db8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-x+2y+4 =0 \\ \\xrightarrow{x \\ = \\ 0} \\ -0+2y+4=0\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"321\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u6e05\u9664\u53e6\u4e00\u4e2a\u53d8\u91cf\uff08<\/p>\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> \uff09\u5f97\u51fa\u7684\u65b9\u7a0b\u53ef\u4ee5\u77e5\u9053\u6b64\u65f6\u5b83\u7684\u4ef7\u503c\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-91edb06d37339167f458f910de16d57b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2y=-4\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"65\" 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-9901e9a85409e4bcbfcbffdcf97cb175_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= \\cfrac{-4}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-50b25376eef215b49997f236615b6d6a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= -2\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"55\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u56e0\u6b64\uff0c\u4ece\u76f4\u7ebf\u5f97\u5230\u7684\u70b9<\/p>\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>\u4e1c\u65b9\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-a9176e7fde633e028a8349a5bc422e03_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(0,-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4e00\u65e6\u6211\u4eec\u5728\u4e00\u6761\u7ebf\u4e0a\u6709\u4e86\u4e00\u4e2a\u70b9\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u70b9\u5230\u7ebf\u8ddd\u79bb\u7684\u516c\u5f0f\u6765\u8ba1\u7b97\u4ece\u8be5\u70b9\u5230\u53e6\u4e00\u6761\u7ebf\u7684\u8ddd\u79bb\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-8064e6650ca06c9d921e13e956ab02a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d(P,r)= \\cfrac{\\lvert A\\cdot p_x + B\\cdot p_y +C\\rvert}{\\sqrt{A^2+B^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"232\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4ee823834d0436c46be7a7c28faf1be3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d(P,r)= \\cfrac{\\lvert 2\\cdot 0 + (-4)\\cdot (-2) +(-6)\\rvert}{\\sqrt{2^2+(-4)^2}}= \\cfrac{\\lvert 0+8-6\\rvert}{\\sqrt{4+16}}={\\cfrac{2}{\\sqrt{20}}=\\bm{0,45}\" title=\"Rendered by QuickLaTeX.com\" height=\"48\" width=\"503\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p><strong>\u56e0\u6b64\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u76f8\u5f53\u4e8e 0.45 \u4e2a\u5355\u4f4d<\/strong>\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-rectas-paralelas\"><\/span>\u5e73\u884c\u7ebf\u89e3\u51b3\u7684\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e601<\/h3>\n<p>\u4e0b\u9762\u54ea\u6761\u7ebf\u662f\u5e73\u884c\u7684\uff1f <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1baec7cae9d15180df86f9cf4f44d828_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l} r: \\ y=2x+3 \\\\[2ex] s: \\ y=3x-2 \\\\[2ex] q: \\ y=2x+6 \\\\[2ex] t: \\ y=-2x-4\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"128\" width=\"124\" 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>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u5982\u679c\u4e24\u6761\u7ebf\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\uff08\u548c\u4e0d\u540c\u7684\u622a\u8ddd\uff09\uff0c\u5219\u5b83\u4eec\u662f\u5e73\u884c\u7684\u3002\u56e0\u6b64\uff0c\u6bcf\u6761\u7ebf\u7684\u659c\u7387\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-512039eaf89f61a38ddd4724a96d039d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_r = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"55\" 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-b50095724cfd60e7a20c1c145394fee0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_s = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"55\" 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-2be6b5987a10ce55ec47debd551d580a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_q = 2\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"55\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ae30bb82aed2e9e6a77ef4c906ac5c1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_t = -2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"67\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6240\u4ee5\u53ea\u6709\u76f4\u7ebf\u662f\u5e73\u884c\u7684<\/p>\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>\u548c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a1b621a0854b2580a57fcbae256008ab_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"q,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u56e0\u4e3a\u5b83\u4eec\u662f\u552f\u4e00\u5177\u6709\u76f8\u540c\u5761\u5ea6\u7684\u3002<\/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\u4e0e\u76f4\u7ebf\u5e73\u884c\u7684\u76f4\u7ebf\u7684\u663e\u5f0f\u65b9\u7a0b<\/p>\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>\u4ee5\u53ca\u6574\u4e2a\u8fc7\u7a0b\u4e2d\u4f1a\u53d1\u751f\u4ec0\u4e48<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eec55dd78ba1e0bf402e6965d873a799_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(0,2).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"57\" style=\"vertical-align: -5px;\"><\/p>\n<p>\u8bf4\u76f4\u8bdd<\/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-4697696776778fdba7b01dd73bcfe645_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\; y=3x-1\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"110\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4f7f\u5f97\u7ebf\u4e0e\u7ebf\u5e73\u884c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-42ca8c420951296e93092e708435813a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u4e24\u8005\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u659c\u7387\u3002\u548c\u7ebf\u7684\u659c\u7387<\/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>\u662f 3\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-0082d45adbb746641eb28f250a819459_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m = 3\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"48\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u627e\u5230\u7684\u76f4\u7ebf\u7684\u663e\u5f0f\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-4def7be28b405258061bd824635dc80e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=3x+n\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"85\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u4e86\u76f4\u7ebf\u7684\u659c\u7387\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u5c06\u5c5e\u4e8e\u76f4\u7ebf\u7684\u70b9\u4ee3\u5165\u76f4\u7ebf\u65b9\u7a0b\u6765\u8ba1\u7b97\u622a\u8ddd\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-bc3d61d91e1a1ffc3ff7ac1b3340c3c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(0,2)\" 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-a321d111f28eb27f561524530609d166_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= 3x+n \\ \\xrightarrow{x=0 \\ ; \\ y=2} \\ 2=3\\cdot 0 +n\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"278\" 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-c2253ecacd59d789a223b2607f36301b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2=0+ n\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"74\" 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-7cd19501d52ee520c93fcbdfd6cdefca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2= n\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"44\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6240\u4ee5\u8be5\u76f4\u7ebf\u7684\u663e\u5f0f\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-7ee4508eca81496f8b48fb96e2d8e4a7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{y=3x+2}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"82\" 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>\u8ba1\u7b97\u672a\u77e5\u6570\u7684\u503c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u548c<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4f7f\u5f97\u4ee5\u4e0b\u4e24\u6761\u7ebf\u5e73\u884c\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-22406447457807bd671683c76d717494_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ 2x-4y+6=0 \\qquad \\qquad s: \\ x+ay+b=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"363\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u8fd9\u4e9b\u7ebf\u4ee5\u4e00\u822c\uff08\u6216\u9690\u5f0f\uff09\u65b9\u7a0b\u5f62\u5f0f\u63cf\u8ff0\u3002\u56e0\u6b64\uff0c\u8981\u4f7f\u4e24\u6761\u76f4\u7ebf\u5e73\u884c\uff0c\u5b83\u4eec\u7684\u7cfb\u6570A\u548cB\u5fc5\u987b\u6210\u6bd4\u4f8b\uff0c\u5373\u5fc5\u987b\u6ee1\u8db3\u4ee5\u4e0b\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-426cf79f7967a39d05301b57327425b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{1} = \\cfrac{-4}{a}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"65\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u6211\u4eec\u5fc5\u987b\u6c42\u89e3\u524d\u9762\u7684\u65b9\u7a0b\u4ee5\u83b7\u5f97\u672a\u77e5\u503c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2ebc59bdf10d3d739bfa532b65c85287_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u5206\u6570\u4ea4\u53c9\u76f8\u4e58\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-778399973685974e5fab6ef86a4ff316_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot a = -4 \\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"98\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa72e494965cde5a39eef1003b449a40_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a = \\cfrac{-4}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-115c97df060d69970606b1ae494bb4b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{a=-2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"55\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u53e6\u4e00\u65b9\u9762\uff0c\u5bf9\u4e8e\u5e73\u884c\u7684\u7ebf\uff0c\u5b83\u4eec\u7684\u72ec\u7acb\u9879\u4e0d\u80fd\u4e0e\u5176\u4ed6\u7cfb\u6570\u6210\u6bd4\u4f8b\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-0eee380a4c98c2379e3b88fb5c00038e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{2}{1} \\neq \\cfrac{6}{b}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"43\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u548c\u4ee5\u524d\u4e00\u6837\uff0c\u6211\u4eec\u901a\u8fc7\u4ea4\u53c9\u76f8\u4e58\u5206\u6570\u6765\u6c42\u89e3\u4e0d\u7b49\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-e8f6fbac3664ac51fabbd88c63a6265c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2 \\cdot b \\neq 6 \\cdot 1\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"83\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0d382f6f8b7a55e13812975129a29da1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b \\neq \\cfrac{6}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"42\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b74bf2f543632f7b7adec4ebd1f59b0e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{b\\neq 3}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"40\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u7b80\u800c\u8a00\u4e4b\uff0c\u8ba9\u4e24\u6761\u7ebf\u5e73\u884c<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u5fc5\u987b\u662f 2 \u5e76\u4e14<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u53ef\u4ee5\u662f\u9664 3 \u4e4b\u5916\u7684\u4efb\u4f55\u5b9e\u6570\u3002<\/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>\u4e0b\u9762\u4e24\u6761\u5e73\u884c\u7ebf\u4e4b\u95f4\u7684\u8ddd\u79bb\u662f\u591a\u5c11\uff1f <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9ad10fd8e20d413e433851810e823172_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\ x+3y-4=0 \\qquad \\qquad s: \\ 2x+6y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"364\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u9996\u5148\uff0c\u6211\u4eec\u5c06\u9a8c\u8bc1\u8fd9\u662f\u4e24\u6761\u5e73\u884c\u7ebf\u3002\u4e3a\u6b64\uff0c\u53d8\u91cf\u7684\u7cfb\u6570<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u548c<\/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>\u5fc5\u987b\u5f7c\u6b64\u6210\u6bd4\u4f8b\uff0c\u4f46\u4e0d\u4e0e\u72ec\u7acb\u9879\u6210\u6bd4\u4f8b\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-1a5385dff1a5c143885cac238927cea7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{1}{2} = \\cfrac{3}{6}\\neq \\cfrac{-4}{6} \\ \\longrightarrow \\ \\text{Paralelas}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"220\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e8b\u5b9e\u4e0a\uff0c\u8fd9\u4e9b\u7ebf\u662f\u5e73\u884c\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5e94\u7528\u8be5\u8fc7\u7a0b\u3002<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u9700\u8981\u4ece\u5176\u4e2d\u4e00\u6761\u7ebf\uff08\u60a8\u60f3\u8981\u7684\u7ebf\uff09\u4e2d\u83b7\u53d6\u4e00\u4e2a\u70b9\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u8ba1\u7b97\u7ebf\u4e0a\u7684\u4e00\u4e2a\u70b9<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-23a7daa116b8874af1538c91f8d239de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4e3a\u6b64\uff0c\u60a8\u5fc5\u987b\u4e3a\u5176\u4e2d\u4e00\u4e2a\u53d8\u91cf\u8d4b\u503c\uff0c\u4f8b\u5982\u6211\u4eec\u5c06\u8fd9\u6837\u505a<\/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-cfbc09666c2be26abbecc34491f0f0a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x+6y+6=0 \\ \\xrightarrow{x \\ = \\ 0} \\ 2\\cdot 0+6y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"325\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u6e05\u9664\u53e6\u4e00\u4e2a\u53d8\u91cf\uff08<\/p>\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> ) \u5f97\u5230\u7684\u65b9\u7a0b\u5373\u53ef\u77e5\u9053\u6b64\u65f6\u7684\u503c\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-d2147ae4d002aba7f27fda064a5f3d15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6y=-6\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"65\" 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-011e4abb1bbc3ef5f362695736e2b1f7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= \\cfrac{-6}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"66\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8330e0406bdbde3e65e8142fafceeee6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y= -1\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"55\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u8fd9\u6837\u4ece\u76f4\u7ebf\u4e0a\u5f97\u5230\u7684\u70b9<\/p>\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>\u4e1c\u65b9\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-d4834bffe8509fbc113d7be09e378a7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(0,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u4e00\u65e6\u6211\u4eec\u77e5\u9053\u4e00\u6761\u7ebf\u4e0a\u7684\u70b9\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\u4ece\u8be5\u70b9\u5230\u53e6\u4e00\u6761\u7ebf\u7684\u8ddd\u79bb\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-8064e6650ca06c9d921e13e956ab02a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d(P,r)= \\cfrac{\\lvert A\\cdot p_x + B\\cdot p_y +C\\rvert}{\\sqrt{A^2+B^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"232\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-04bdc4f7bf4e33872b9a1dae673198df_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d(P,r)= \\cfrac{\\lvert 1\\cdot 0 + 3\\cdot (-1) +(-4)\\rvert}{\\sqrt{1^2+3^2}}= \\cfrac{7}{\\sqrt{10}}=\\bm{2,21}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"371\" style=\"vertical-align: -16px;\"><\/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\uff0c\u60a8\u5c06\u627e\u5230\u6709\u5173\u5e73\u884c\u7ebf\u7684\u6240\u6709\u5185\u5bb9\uff1a\u5b83\u4eec\u7684\u542b\u4e49\u3001\u5982\u4f55\u786e\u5b9a\u4e24\u6761\u7ebf\u662f\u5426\u5e73\u884c\u3001\u5b83\u4eec\u7684\u5c5e\u6027\u7b49\u3002\u6b64\u5916\uff0c\u60a8\u5c06\u80fd\u591f\u770b\u5230\u4e00\u4e9b &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/cn\/%e5%b9%b3%e8%a1%8c%e7%ba%bf%e7%9a%84%e5%ae%9a%e4%b9%89%e5%92%8c%e4%be%8b%e5%ad%90\/\"> <span class=\"screen-reader-text\">\u5e73\u884c\u7ebf<\/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-230","post","type-post","status-publish","format-standard","hentry","category-15"],"yoast_head":"<!-- This site is optimized 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