{"id":268,"date":"2023-07-11T00:06:07","date_gmt":"2023-07-11T00:06:07","guid":{"rendered":"https:\/\/mathority.org\/nl\/algemene-of-impliciete-cartesiaanse-vergelijking-van-een-lijn\/"},"modified":"2023-07-11T00:06:07","modified_gmt":"2023-07-11T00:06:07","slug":"algemene-of-impliciete-cartesiaanse-vergelijking-van-een-lijn","status":"publish","type":"post","link":"https:\/\/mathority.org\/nl\/algemene-of-impliciete-cartesiaanse-vergelijking-van-een-lijn\/","title":{"rendered":"Impliciete of algemene (of cartesiaanse) vergelijking van de lijn"},"content":{"rendered":"<p>Op deze pagina vindt u hoe de impliciete vergelijking van de lijn, ook wel de algemene of cartesiaanse vergelijking van de lijn genoemd, wordt berekend. Daarnaast krijg je diverse voorbeelden te zien en kun je zelfs oefenen met rechte lijnoefeningen die stap voor stap worden opgelost. <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-104\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-la-ecuacion-implicita-general-o-cartesiana-de-la-recta\"><\/span> Wat is de impliciete, algemene of cartesiaanse vergelijking van de lijn?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Bedenk dat de wiskundige definitie van een lijn een reeks opeenvolgende punten is die in dezelfde richting worden weergegeven, zonder krommen of hoeken. <\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-105\"><\/div>\n<\/div>\n<p> De <strong>impliciete vergelijking van de lijn<\/strong> , ook bekend als de algemene of <strong>cartesiaanse<\/strong> <strong>vergelijking<\/strong> , is dus een manier om elke lijn wiskundig uit te drukken. Om dit te doen heb je alleen de richtingsvector van de lijn en een punt dat bij de lijn hoort nodig. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"formula-de-la-ecuacion-implicita-general-o-cartesiana-de-la-recta\"><\/span> Formule voor de impliciete, algemene of cartesiaanse vergelijking van de lijn <span class=\"ez-toc-section-end\"><\/span><\/h2>\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\"> Ja<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-391ac2e3ba0b7f327ba5a0edc1ba162d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> is de richtingsvector van de lijn en<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> een punt dat hoort bij rechts:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8a5a9724c5deabef496a75b00995419d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}= (\\text{v}_1,\\text{v}_2) \\qquad P(P}_1,P_2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"197\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\"> De formule voor de <strong>impliciete, algemene of cartesiaanse vergelijking van de lijn<\/strong> is:<\/p>\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 style=\"text-align:left; margin-bottom:4px;\"> Goud:<\/p>\n<ul>\n<li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-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> En<\/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> zijn de cartesische co\u00f6rdinaten van elk punt op de lijn.<\/li>\n<li> de co\u00ebffici\u00ebnt\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> is de tweede component van de richtingsvector:<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8aae57bb8c0ba7650d53c865bdf4855a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A=\\text{v}_2}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"53\" style=\"vertical-align: -3px;\"><\/p>\n<\/li>\n<li> de co\u00ebffici\u00ebnt\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> is de eerste component van het richtingsvector veranderd teken:<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a42f7e7fc1557de4f36ee335a3ff6c64_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"B=-\\text{v}_1}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"67\" style=\"vertical-align: -3px;\"><\/p>\n<\/li>\n<li> de co\u00ebffici\u00ebnt\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f34f74d98915e33f37a086f8cbfb996a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> wordt berekend door het bekende punt te vervangen<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> in de vergelijking van de lijn. <\/li>\n<\/ul>\n<\/div>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-106\"><\/div>\n<\/div>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/equations-de-la-droite-1.webp\" alt=\"algemene of cartesiaanse impliciete vergelijking van de lijn in de ruimte (in R3)\" class=\"wp-image-1304\" width=\"281\" height=\"268\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> Houd er aan de andere kant rekening mee dat er naast de impliciete (of algemene) vergelijking ook andere manieren zijn om een lijn analytisch uit te drukken: de vectorvergelijking, parametervergelijkingen, de continue vergelijking, de expliciete vergelijking en de punt-hellingsvergelijking van Alijn. Op onze website kunt u nagaan wat elk ervan is. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-como-calcular-la-ecuacion-implicita-general-o-cartesiana-de-la-recta\"><\/span> Voorbeeld van het berekenen van de impliciete, algemene of cartesiaanse vergelijking van de lijn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Alleen al door naar de formule te kijken, lijkt het misschien dat dit type vergelijking van de lijn een beetje moeilijk te vinden is. Maar zodat je kunt zien dat het precies het tegenovergestelde is, zullen we zien hoe we de algemene (of impliciete) vergelijking van de lijn kunnen vinden aan de hand van een voorbeeld:<\/p>\n<ul>\n<li> Zoek de impliciete vergelijking van de lijn die door het punt gaat\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> en heeft<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-391ac2e3ba0b7f327ba5a0edc1ba162d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> als leidende vector:<\/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-ad8622d3699328f85871f9340cd2ccfc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}= (2,3) \\qquad P(5,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"174\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Zoals we in het bovenstaande gedeelte hebben gezien, is de formule voor de impliciete vergelijking van de lijn:<\/p>\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> We moeten daarom de co\u00ebffici\u00ebnten A, B en C vinden. De onbekenden A en B worden verkregen uit de co\u00f6rdinaten van de richtingsvector van de lijn, aangezien de volgende gelijkheid altijd wordt geverifieerd:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-caffe051bad6b2835981c69786d9c98f_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> Bijgevolg is de co\u00ebffici\u00ebnt A de tweede co\u00f6rdinaat van de vector, en de co\u00ebffici\u00ebnt B de eerste co\u00f6rdinaat van het vectorgewijzigde teken:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c0773483b630933bef5733e3de0859cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{c}\\vv{\\text{v}}= (-B,A) \\\\[2ex] \\vv{\\text{v}}= (2,3) \\end{array} \\right\\}\\longrightarrow \\begin{array}{l}A=3 \\\\[2ex] B=-2 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"226\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> De impliciete vergelijking van de lijn zal daarom als volgt zijn:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b6b04e8dfd68b8def35fa3bbaa64bf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C=0 \\ \\xrightarrow{A=3 \\ ; \\ B=-2} \\ 3x-2y+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"379\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Daarom hoeven we alleen de co\u00ebffici\u00ebnt C te vinden. Om dit te doen, moeten we het punt waarvan we weten dat het bij de lijn hoort, in de vergelijking vervangen:<\/p>\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-6c69ba21229aff0ce0e69bfdb5148642_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3x-2y+C=0 \\ \\xrightarrow{x=5 \\ ; \\ y=-1} \\ 3\\cdot 5-2\\cdot (-1)+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"414\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> En nu lossen we de resulterende vergelijking op: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d4e6312f15b3fd4ac2bc2aabae1e9921_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3\\cdot 5-2\\cdot (-1)+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"179\" 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-28becadfb9d2d8ac4f75890ced2104a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"15+2+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" 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-ef53a4755f76828a7ff6fe031272b897_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"17+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" 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-44fb6c0d7be5210f93ddff4d3467804a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=-17\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"70\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Dus de impliciete, algemene of cartesiaanse vergelijking van de lijn is: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-aac3a8e52996d238689b3d0a8e6636b4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{3x-2y-17=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"131\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"hallar-la-ecuacion-implicita-general-o-cartesiana-a-partir-de-la-ecuacion-continua\"><\/span> Zoek de impliciete vergelijking (algemeen of cartesiaans) uit de continue vergelijking <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-109\"><\/div>\n<\/div>\n<p> We hebben zojuist een manier gezien om de algemene vergelijking van een lijn te vinden. Er is echter nog een andere methode die voortkomt uit de continue vergelijking. Laten we eens kijken hoe dit wordt gedaan met een voorbeeld:<\/p>\n<ul>\n<li> Bereken de algemene (of impliciete) vergelijking van de volgende lijn, gedefinieerd door de continue vergelijking:<\/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-c544bb30c546d0bdfac70c96a01e491c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{x-1}{-2}=\\cfrac{y+4}{6}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"106\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p> Eerst kruisen we vermenigvuldigingsbreuken:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5e1562a3bfaf00b6148982d3a22f16fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-1)\\cdot 6 = (y+4) \\cdot (-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"201\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Ten tweede lossen we de haakjes op met behulp van de distributieve eigenschap:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4a5015c149432f28f6d156f67c5b6c50_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6x-6=-2y-8\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"136\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Vervolgens verplaatsen we alle termen naar de linkerkant van de vergelijking:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d2643bb0162111ac1013df126d610b2b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"6x-6+2y+8=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"153\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> En ten slotte groeperen we de termen en verkrijgen zo de algemene vergelijking van de lijn: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-657ab3ede221a5ad929ee5b28e5b2f8e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{6x+2y+2=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"122\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-la-ecuacion-implicita-o-general-o-cartesiana\"><\/span> Opgeloste problemen van de impliciete of algemene (of cartesiaanse) vergelijking<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> Oefening 1<\/h3>\n<p> Schrijf de algemene vergelijking van de lijn die door het punt gaat<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> en heeft<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-391ac2e3ba0b7f327ba5a0edc1ba162d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> als leidende vector: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0ac8333fee6f038c9bd4a797de20c372_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}= (-1,2) \\qquad P(4,0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"174\" 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>zie oplossing<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> De formule voor de algemene vergelijking van de lijn is:<\/p>\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-left\"> We moeten daarom A, B en C vinden. De variabelen A en B worden verkregen uit de co\u00f6rdinaten van de richtingsvector van de lijn, aangezien de volgende gelijkheid altijd wordt geverifieerd:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-caffe051bad6b2835981c69786d9c98f_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\"> Bijgevolg is de co\u00ebffici\u00ebnt A de tweede co\u00f6rdinaat van de vector, en de co\u00ebffici\u00ebnt B de eerste co\u00f6rdinaat van het vectorgewijzigde teken:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-15c402d83a5709078a01311ddec1f4cd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{c}\\vv{\\text{v}}= (-B,A) \\\\[2ex] \\vv{\\text{v}}= (-1,2) \\end{array} \\right\\}\\longrightarrow \\begin{array}{l}A=2 \\\\[2ex] B=1 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"212\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> De impliciete vergelijking van de lijn zal daarom als volgt zijn:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c50e0ee2421cff2b8cf5c8ffc82e0f80_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C=0 \\ \\xrightarrow{A=2 \\ ; \\ B=1} \\ 2x+y+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"360\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Daarom hoeven we alleen de co\u00ebffici\u00ebnt C te vinden. Om dit te doen, moeten we het punt waarvan we weten dat het bij de lijn hoort, vervangen in de vergelijking van de lijn en de resulterende vergelijking oplossen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1a3ca83f6738484ec97dd8a1fcaed606_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(4,0)\" 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-5ea9a46a36c61804bd5f87dde30ca64e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x+y+C=0 \\ \\xrightarrow{x=4 \\ ; \\ y=0} \\ 2\\cdot 4+0+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"346\" 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-12e5d2a1c2ea8a7ee27172fe7ed854e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"8+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"77\" 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-804d2ff5056b7e9b558dc9bf554275fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=-8\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"61\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Kortom, de impliciete, algemene of cartesiaanse vergelijking van de lijn is: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91ca258f95703f3bd371b2f35a98818b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{2x+y-8=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"113\" 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\">Oefening 2<\/h3>\n<p> Bereken de cartesische vergelijking van de volgende regel: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-73437ba2fa33523cdce19e03c7ba120f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{x+3}{4}=\\cfrac{y-2}{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"106\" 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>zie oplossing<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> De vergelijking wordt uitgedrukt als een continue vergelijking, dus om de impliciete vergelijking ervan te vinden, moeten we de breuken doorkruisen en alle termen in \u00e9\u00e9n kant van de vergelijking plaatsen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-73437ba2fa33523cdce19e03c7ba120f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\cfrac{x+3}{4}=\\cfrac{y-2}{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"106\" 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-0cb15a76999dd41b90d5881d6309393a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x+3)\\cdot 5 = (y-2) \\cdot 4\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"174\" 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-39f2288c7c2f5bd5031b1e30710f4a2c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"5x+15=4y-8\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"131\" 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-c60e4c58862ac43328a430f694c41250_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"5x+15-4y+8=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"161\" 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-b3d7bc4215a277ce7985e5403b9d8739_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{5x-4y+23=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"131\" 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\">Oefening 3<\/h3>\n<p> Bepaal een punt op de volgende lijn en zijn richtingsvector. De lijn wordt uitgedrukt door de algemene vergelijking: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-787d9dd65ff39f8995438c5fe426c153_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-x-3y+6= 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-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>zie oplossing<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> De componenten van de richtingsvector van de lijn kunnen worden verkregen uit de co\u00ebffici\u00ebnten A en B van de algemene vergelijking van de lijn: de eerste component van de vector komt overeen met de co\u00ebffici\u00ebnt B van teken veranderd en de tweede component van de vector is gelijk aan de co\u00ebffici\u00ebnt A. DUS: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-caffe051bad6b2835981c69786d9c98f_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-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6460199d00deb804cacf7b084fb34328_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\mathbf{v}}=\\bm{(3,-1)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"87\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Om een punt op de lijn te berekenen, moet u daarentegen een waarde aan een variabele toekennen. Dat doen wij bijvoorbeeld<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8203ced39e0cdafefa708857c7ec2264_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=0\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"><\/p>\n<p> en we lossen de resulterende vergelijking op: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a486419e5420a83e35e25662f4b36ede_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-x-3y+6= 0 \\ \\xrightarrow{x \\ = \\ 0} \\ -0 -3y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"23\" width=\"321\" 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-64b5e0e341c77fefe8847a634f4694d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3y +6 =0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"94\" 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-9eed9d556326695e2835458bb0927cd5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-3y =-6\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"78\" 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-1c321ec02fd2057be382b6a4f9307bca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =\\cfrac{-6}{-3}\" 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-f93a947c2c010dcb5c844ac76d3978a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y =2\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"41\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Het punt van de lijn is dus:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-db181a7707e98b4fe66bf706c616570a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{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-left\"> Mogelijk heb je een ander punt gekregen omdat het afhangt van welke waarde je aan variabele X (of variabele Y) geeft, maar als je dezelfde procedure hebt gevolgd, is het ook correct. Aan de andere kant moet de richtingsvector van de lijn identiek zijn aan de berekende richtingsvector.<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> Oefening 4<\/h3>\n<p> Zoek de impliciete vergelijking van de lijn die door de volgende twee punten gaat: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-495ee47765b8846a73c48ecefdd4e4d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(4,-1) \\qquad B(-2,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"169\" 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>zie oplossing<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> In dit geval kennen we de richtingsvector van de lijn niet, dus moeten we eerst de richtingsvector vinden en vervolgens de vergelijking van de lijn.<\/p>\n<p class=\"has-text-align-left\"> Om de richtingsvector van de lijn te vinden, berekent u eenvoudigweg de vector die wordt gedefinieerd door de twee gegeven punten:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7ce35499a23f6584ffd0576afed2c5e8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AB}=B-A= (-2,3)- (4,-1) = (-6,4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"328\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> En zodra we de richtingsvector van de lijn kennen, kunnen we nu de impliciete (of algemene of cartesiaanse) vergelijking bepalen op basis van de formule:<\/p>\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-left\"> De onbekenden A en B worden verkregen uit de co\u00f6rdinaten van de richtingsvector van de lijn, aangezien de co\u00ebffici\u00ebnt A de tweede co\u00f6rdinaat van de vector is, en de co\u00ebffici\u00ebnt B de eerste co\u00f6rdinaat is van het vectorgewijzigde teken:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-755b240827816e7b9ad1db0d3bee1ea6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{c}\\vv{\\text{v}}= (-B,A) \\\\[2ex] \\vv{\\text{v}}= (-6,4) \\end{array} \\right\\}\\longrightarrow \\begin{array}{l}A=4 \\\\[2ex] B=6 \\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"213\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> De impliciete vergelijking van de lijn zal daarom als volgt zijn:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7218da043f2d91428f6455ce38ddf65f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C=0 \\ \\xrightarrow{A=4 \\ ; \\ B=6} \\ 4x+6y+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"368\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Het is daarom voldoende om de co\u00ebffici\u00ebnt C te vinden. Om dit te doen, moeten we in de vergelijking van de lijn een punt vervangen waarvan we weten dat het bij de lijn hoort en de resulterende vergelijking oplossen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4ebe82a554c66fe706b4972442e48b1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(4,-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-ea0168d2b6b4fbb8236b1ee506f5ab0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4x+6y+C=0\\ \\xrightarrow{x=4 \\ ; \\ y=-1} \\ 4\\cdot 4+6\\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-4c2b3010859108cd1ed9d0cb81e97bcb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"16-6+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-0cdc1740c15900f571835162e29a76e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"10+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-d92b0b5c6adb09a75d9c70ef8635a78d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=-10\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"70\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Ten slotte is de impliciete, algemene of cartesiaanse vergelijking van de lijn: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-39b11bfd8521ce51ed478bfbb4d8c3f8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{4x+6y-10=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"131\" 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\">Oefening 5<\/h3>\n<p> Zoek de impliciete vergelijking van de lijn loodrecht op de lijn<\/p>\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> en wat er aan de overkant gebeurt <\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e752b7bc42cb82c8a15d9523a8481481_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(2,2).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"57\" 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-c88aee465a9bb24cc661408b512f3ece_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\; 3x-2y+4=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"150\" 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>zie oplossing<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Twee loodrechte lijnen hebben richtingsvectoren die loodrecht op elkaar staan, dus we moeten de richtingsvector van de lijn vinden<\/p>\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> dan een vector die er loodrecht op staat.<\/p>\n<p class=\"has-text-align-left\"> De componenten van de richtingsvector van de lijn<\/p>\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> Ze kunnen worden verkregen uit de co\u00ebffici\u00ebnten A en B van de algemene vergelijking van de lijn: de eerste component van de vector komt overeen met de co\u00ebffici\u00ebnt B met een veranderd teken en de tweede component van de vector is gelijk aan de co\u00ebffici\u00ebnt A. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c88aee465a9bb24cc661408b512f3ece_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r: \\; 3x-2y+4=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"150\" 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-caffe051bad6b2835981c69786d9c98f_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-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-94dc0f7dd2f4c48b5d066203b85ed98a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r=(2,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"79\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> We moeten nu een loodrechte vector vinden. Om dit te doen, voegt u eenvoudigweg de co\u00f6rdinaten van de vector in en verandert u het teken van een ervan:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d7bf6d58cf4b538bef14c2ab4e057e5a_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=\"97\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Dit zal daarom de richtingsvector zijn van de lijn loodrecht op<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-aa03a29f511592c1a1ecc8b306b0cf0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> En zodra we de richtingsvector van de lijn kennen, kunnen we nu de impliciete (of algemene of cartesiaanse) vergelijking bepalen op basis van de formule:<\/p>\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-left\"> De onbekenden A en B worden verkregen uit de co\u00f6rdinaten van de richtingsvector van de lijn, aangezien de co\u00ebffici\u00ebnt A de tweede co\u00f6rdinaat van de vector is, en de co\u00ebffici\u00ebnt B de eerste co\u00f6rdinaat is van het vectorgewijzigde teken:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b5e5ee9e1174add4678338ba04a5e3b1_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=\"215\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> De impliciete vergelijking van de lijn zal daarom als volgt zijn:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-395e3bb6d87506f87ff0e6ce6f5cb08e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Ax+By+C=0 \\ \\xrightarrow{A=2 \\ ; \\ B=3} \\ 2x+3y+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"368\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Het is daarom voldoende om de co\u00ebffici\u00ebnt C te vinden. Om dit te doen, moeten we in de vergelijking van de lijn een punt vervangen waarvan we weten dat het bij de lijn hoort en de resulterende vergelijking oplossen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-666561b6519d3621b67c6d5ecc98a701_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P(2,2)\" 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-ca791d96852861ee98db260ee263a767_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x+3y+C=0\\ \\xrightarrow{x=2 \\ ; \\ y=2} \\ 2\\cdot 2+3\\cdot 2+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"376\" 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-a1c9844159152980aabbd3a2afdb4111_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"4+6+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-0cdc1740c15900f571835162e29a76e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"10+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-d92b0b5c6adb09a75d9c70ef8635a78d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C=-10\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"70\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Dus de impliciete, algemene of cartesiaanse vergelijking van de lijn is: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2909e489d199bfb6bb5bf55ea5db969d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{2x+3y-10=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"131\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Op deze pagina vindt u hoe de impliciete vergelijking van de lijn, ook wel de algemene of cartesiaanse vergelijking van de lijn genoemd, wordt berekend. Daarnaast krijg je diverse voorbeelden te zien en kun je zelfs oefenen met rechte lijnoefeningen die stap voor stap worden opgelost. Wat is de impliciete, algemene of cartesiaanse vergelijking van &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/nl\/algemene-of-impliciete-cartesiaanse-vergelijking-van-een-lijn\/\"> <span class=\"screen-reader-text\">Impliciete of algemene (of cartesiaanse) vergelijking van de lijn<\/span> Lees meer &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":[47],"tags":[],"class_list":["post-268","post","type-post","status-publish","format-standard","hentry","category-punten-lijnen-en-vlakken"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Impliciete of algemene (of cartesiaanse) vergelijking van de lijn - Mathority<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/nl\/algemene-of-impliciete-cartesiaanse-vergelijking-van-een-lijn\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Impliciete of algemene (of cartesiaanse) vergelijking van de lijn - Mathority\" \/>\n<meta property=\"og:description\" content=\"Op deze pagina vindt u hoe de impliciete vergelijking van de lijn, ook wel de algemene of cartesiaanse vergelijking van de lijn genoemd, wordt berekend. 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