{"id":237,"date":"2023-07-10T19:00:18","date_gmt":"2023-07-10T19:00:18","guid":{"rendered":"https:\/\/mathority.org\/de\/umfangsgleichung-gewohnliche-formel-allgemeine-beispiele-geloste-ubungen\/"},"modified":"2023-07-10T19:00:18","modified_gmt":"2023-07-10T19:00:18","slug":"umfangsgleichung-gewohnliche-formel-allgemeine-beispiele-geloste-ubungen","status":"publish","type":"post","link":"https:\/\/mathority.org\/de\/umfangsgleichung-gewohnliche-formel-allgemeine-beispiele-geloste-ubungen\/","title":{"rendered":"Umfangsgleichung"},"content":{"rendered":"<p>Auf dieser Seite finden Sie alles \u00fcber die Umfangsgleichung: gew\u00f6hnliche Gleichung, allgemeine Gleichung, andere Arten von Umfangsgleichungen, wann die Umfangsgleichung korrekt ist, &#8230; Au\u00dferdem sehen Sie Beispiele, wie Sie die Gleichung finden eines Umfanges und Sie k\u00f6nnen mit gel\u00f6sten \u00dcbungen \u00fcben. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-ordinaria-de-la-circunferencia\"><\/span> Gew\u00f6hnliche Kreisgleichung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Bevor wir sehen, was die Umfangsgleichung ist, erinnern wir uns an den Begriff des Umfangs:<\/p>\n<p> Der Umfang ist der Ort der Punkte auf der Ebene, die von einem festen Punkt, dem Mittelpunkt, gleich weit entfernt sind. <\/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\/equation-de-circonference-1.webp\" alt=\"Wie lautet die Kreisgleichung?\" class=\"wp-image-1991\" width=\"288\" height=\"273\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> Daher haben alle Punkte auf einem Kreis den gleichen Abstand von seinem Mittelpunkt.<\/p>\n<p> Dar\u00fcber hinaus ist der Kreis neben Ellipse, Parabel und Hyperbel einer der vier Kegelschnitte. Das hei\u00dft, ein Kreis kann durch Schneiden eines Kegels mit einer Ebene parallel zu seiner Basis erhalten werden.<\/p>\n<p> Der einfachste Weg, einen Kreis in der kartesischen Ebene zu beschreiben, ist seine gew\u00f6hnliche Gleichung. Die Formel f\u00fcr die gew\u00f6hnliche Umfangsgleichung lautet also wie folgt: <\/p>\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\"> Die <strong>gew\u00f6hnliche Kreisgleichung<\/strong> lautet:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"text-align:left; margin-bottom:4px\"> Gold:<\/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-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> ist der Radius des Kreises.<\/li>\n<li>\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> Und<\/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> sind die Koordinaten des Kreismittelpunkts:<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f5efef3ea46a765419553313f5ca6ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -5px;\"><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<p> Obwohl wir es nicht demonstrieren werden, weil es etwas m\u00fchsam ist, kann diese Gleichung aus dem Satz des Pythagoras abgeleitet werden.<\/p>\n<p> Sehen wir uns anhand eines Beispiels an, wie die gew\u00f6hnliche Kreisgleichung berechnet wird:<\/p>\n<ul>\n<li> Bestimmen Sie die gew\u00f6hnliche Gleichung des Kreises mit dem Radius 5, dessen Mittelpunkt der Punkt ist\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-61ed8ca74441b9c9ed7efef1a47bd204_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(3,-1).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"72\" style=\"vertical-align: -5px;\"><\/p>\n<\/li>\n<\/ul>\n<p> Die Formel f\u00fcr die gew\u00f6hnliche Kreisgleichung lautet:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Deshalb m\u00fcssen wir nur das Unbekannte ersetzen<\/p>\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> durch den Wert des Radius und die Unbekannten<\/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> Und<\/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> durch die Koordinaten X bzw. Y des Kreismittelpunkts:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2b3bfb9b8a5a2dfb5d73ed3986567c4f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-3)^2+(y-(-1))^2=5^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"211\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Die gew\u00f6hnliche Kreisgleichung lautet also: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5847df3cfa46d4ba66d0caba4026dabe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{(x-3)^2+(y+1)^2=25}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-general-de-la-circunferencia\"><\/span> Allgemeine Kreisgleichung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Eine andere Art der Umfangsgleichung ist die allgemeine Gleichung, die tats\u00e4chlich am h\u00e4ufigsten verwendet wird. Wir werden dann sehen, wie man die allgemeine Gleichung eines beliebigen Umfangs aus seiner gew\u00f6hnlichen Gleichung erh\u00e4lt.<\/p>\n<p> Betrachten Sie die gew\u00f6hnliche Kreisgleichung:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Wenn wir die bemerkenswerten Gleichheiten (oder bemerkenswerten Produkte) entwickeln:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a4d2b00fd17214927aa165291c8aebce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+a^2-2ax+y^2+b^2-2by=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"269\" 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-6f787480794d72c03ba5880758dedeee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2-2ax+y^2-2by+a^2+b^2-r^2=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"300\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Jetzt nehmen wir 3 Variablen\u00e4nderungen vor:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0f0414589c97ababc91d90e8b4d76f3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A=-2a \\qquad B=-2b \\qquad C=a^2+b^2-r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"337\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p> Und schlie\u00dflich erhalten wir die allgemeine Gleichung des Umfangs: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\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\"> Die Formel f\u00fcr die <strong>allgemeine Umfangsgleichung<\/strong> lautet daher:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\"> wobei der Mittelpunkt des Kreises ist:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e64305413efd35fdc4d0650acf78623d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{A}{2}, -\\frac{B}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\"> Und der Radius des Kreises ist:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ee6df58c142869c04d0db23bda17b0fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r=\\sqrt{\\left(\\frac{A}{2}\\right)^2 +\\left(\\frac{B}{2}\\right)^2-C}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"211\" style=\"vertical-align: -19px;\"><\/p>\n<\/p>\n<\/div>\n<p> Diese Umfangsgleichung ergibt sich also immer aus der gew\u00f6hnlichen Gleichung. Hier ist ein Beispiel, um zu sehen, wie es gemacht wird:<\/p>\n<ul>\n<li> Bestimmen Sie die allgemeine Gleichung des Kreises mit dem Radius 6, dessen Mittelpunkt der Punkt ist\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-39163542e992aade309d98d420e1a89e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(2,4).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"58\" style=\"vertical-align: -5px;\"><\/p>\n<\/li>\n<\/ul>\n<p> Zuerst m\u00fcssen wir die gew\u00f6hnliche Kreisgleichung finden. Dazu verwenden wir seine Formel:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" 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-0b24acf89d8fb3cfb6b48d8ce985f3e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-2)^2+(y-4)^2=6^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"184\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Und nun operieren wir so lange, bis wir die allgemeine Gleichung des Umfangs gefunden haben, das hei\u00dft bis wir nicht mehr vereinfachen k\u00f6nnen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-68b827aa8155ab22926ac9ab1ae78745_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2^2-2\\cdot x \\cdot 2+y^2+4^2-2\\cdot y \\cdot 4=36\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"324\" 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-e6651ecf7c153c784e8a0c7e01522be4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+4-4x+y^2+16-8y=36\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"249\" 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-0e0dcac8662f04c52e566c31069c1615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2-4x+y^2-8y+4+16-36=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"279\" 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-e73476ebd4ceb89a5683bcb06af09eda_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2-4x+y^2-8y-16=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Die allgemeine Kreisgleichung lautet also:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cdb5e1831804822235795e661323b911_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x^2+y^2-4x-8y-16=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Obwohl das Problem dies nicht erforderte, k\u00f6nnen wir jetzt den Mittelpunkt und den Radius der gefundenen Gleichung berechnen, um zu \u00fcberpr\u00fcfen, ob sie korrekt ist.<\/p>\n<p> Um den Mittelpunkt des Kreises zu bestimmen, verwenden wir seine Formel: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e64305413efd35fdc4d0650acf78623d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{A}{2}, -\\frac{B}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a0eb46f8005ca0cb4418d019c01d090b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{-4}{2}, -\\frac{-8}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"128\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8350046e2eed3457177b5d4c040fcdcf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\bigl(-(-2), -(-4)\\bigr)\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"137\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fa2b1a6a7b85d8f05bf091b50d99e060_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(2,4\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"56\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Tats\u00e4chlich stimmt der Mittelpunkt des Kreises mit dem der Aussage \u00fcberein.<\/p>\n<p> Wir \u00fcberpr\u00fcfen auch den Radius des Umfangs mit seiner Formel:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-04dc99d462a8ceb5e6dca936999a4ce8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{aligned} r &amp; = \\sqrt{\\left(\\frac{A}{2}\\right)^2 +\\left(\\frac{B}{2}\\right)^2-C} \\\\[2ex] &amp; =\\sqrt{\\left(\\frac{-4}{2}\\right)^2 +\\left(\\frac{-8}{2}\\right)^2-(-16)} \\\\[2ex] &amp; =\\sqrt{\\left(-2\\right)^2 +\\left(-4\\right)^2+16} \\\\[2ex] &amp;= \\sqrt{4+16+16} \\\\[2ex] &amp;= \\sqrt{36} \\\\[2ex] &amp; = 6 \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"309\" width=\"260\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> Und der Radius ist auch gleich dem der Aussage. Daher ist die berechnete Umfangsgleichung korrekt.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"existencia-de-una-circunferencia\"><\/span> Existenz eines Umfangs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Alle Gleichungen in Form von<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<p> entsprechen einem Kreis. Damit diese Art von Ausdruck wirklich die Gleichung eines Kreises ist, m\u00fcssen die folgenden drei Bedingungen erf\u00fcllt sein:<\/p>\n<ol style=\"color:#ff6f00; font-weight: bold;>\n<li><span style=\" color:#262626;font-weight:=\"\" normal;\"=\"\">\n<li style=\"margin-bottom:18px\"><span style=\"color:#000000;font-weight: normal;\">Die Koeffizienten von\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p><\/span> und von<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p> Sie m\u00fcssen gleich 1 sein. Bedenken Sie, dass die gesamte Gleichung durch diese Zahl dividiert werden k\u00f6nnte, wenn beiden Variablen eine andere Zahl als eins vorangestellt w\u00e4re, sie aber beide dieselbe Zahl h\u00e4tten, sodass ihre Koeffizienten 1 w\u00e4ren.<\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#000000;font-weight: normal;\">Die Gleichung kann keinen Term haben\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p><\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#000000;font-weight: normal;\">Der folgende Ausdruck muss positiv sein:<\/span> <\/li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;190&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<\/ol>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"otros-tipos-de-ecuaciones-de-la-circunferencia\"><\/span> Andere Arten von Kreisgleichungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Die beiden Kreisgleichungen, die wir gesehen haben, die gew\u00f6hnliche Gleichung und die allgemeine Gleichung, werden am h\u00e4ufigsten verwendet, um einen Kreis in der Ebene (im R2) mathematisch auszudr\u00fccken. Es gibt jedoch mehrere Arten von Gleichungen zur Beschreibung dieses geometrischen Objekts. Nachfolgend finden Sie eine Erkl\u00e4rung zu jeder dieser Gleichungen. <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-canonica-de-la-circunferencia\"><\/span> Kanonische Gleichung des Kreises<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> Die kanonische Gleichung oder reduzierte Gleichung eines Kreises wird verwendet, um jeden Kreis zu beschreiben, dessen <strong>Mittelpunkt im Koordinatenursprung liegt<\/strong> , also im Punkt (0,0). Diese Gleichung lautet wie folgt:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c8837a5c798c950520f838adb2826aa8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"96\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Wenn zus\u00e4tzlich der Radius der Einheit (1) \u00e4quivalent w\u00e4re, w\u00e4re die Gleichung des Umfangs:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6638c5ad97a435df56133e8b04c26ff4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2=1\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"88\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Diese letzte Gleichung entspricht dem goniometrischen Umfang, auch Einheitsumfang oder Einheitskreis genannt. Es ist der Kreis mit dem Radius 1, der im Koordinatenursprung zentriert ist. <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuaciones-de-dos-circunferencias-concentricas\"><\/span> Gleichungen zweier konzentrischer Kreise<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> Zwei konzentrische Gleichungen sind solche, deren Mittelpunkt im selben Punkt liegt. Und der einzige Unterschied zwischen zwei konzentrischen Kreisen ist der Radius.<\/p>\n<p> Damit diese Bedingung erf\u00fcllt ist, <strong>sind die Gleichungen zweier konzentrischer Kreise bis auf ihre unabh\u00e4ngigen Terme, die unterschiedlich sein m\u00fcssen, genau gleich.<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" 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-c0ebfea4141df270980aa34c849d6cfa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C'=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"220\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p> Beispielsweise sind die folgenden zwei Kreise konzentrisch, da alle ihre Koeffizienten bis auf die unabh\u00e4ngigen Terme identisch sind: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7da3e573efeee0a54f17639bb938d787_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+3x-4y+1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" 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-e569a0908d1a2537bf5dd0d5fcaa76bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+3x-4y+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ecuacion-parametrica-de-la-circunferencia\"><\/span> Parametrische Gleichung des Kreises<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> Wie die Gerade l\u00e4sst sich auch die Kreisgleichung mit den trigonometrischen Funktionen Sinus und Cosinus parametrisieren. Somit lauten die parametrischen Gleichungen des Kreises:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-72dae5b3c5f775661ecb102945bb3fbd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\diplaystyle \\begin{cases}x= a + r \\cdot \\text{cos}(t) \\\\[2ex] y= b + r\\cdot \\text{sen}(t)\\end{cases} \\qquad t\\in[0,2\\pi)\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"275\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> wo der Punkt<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fe11303e9d78d9884d5ce80743b4e853_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"37\" style=\"vertical-align: -5px;\"><\/p>\n<p> ist der Mittelpunkt des Kreises und<\/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> Das ist Ihre Abteilung. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-de-la-ecuacion-de-una-circunferencia\"><\/span> Probleme der Kreisgleichung gel\u00f6st<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \u00dcbung 1<\/h3>\n<p> Berechnen Sie die allgemeine Gleichung des Kreises mit dem Radius 5, dessen Mittelpunkt in diesem Punkt liegt <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c5fa41d0801e98e2a7874c963fff73d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(-1,2).\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"71\" 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>siehe L\u00f6sung<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Um die allgemeine Gleichung des Kreises zu finden, m\u00fcssen wir zun\u00e4chst seine gew\u00f6hnliche Gleichung finden. Dazu verwenden wir die Formel f\u00fcr die gew\u00f6hnliche Kreisgleichung: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" 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-6aaa336cc3cb4df0e6bfe594bb6e7d22_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-(-1))^2+(y-2)^2=5^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"211\" 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-2647ce60ac9f3b4bddf17ded227da332_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x+1)^2+(y-2)^2=25\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Sobald wir die gew\u00f6hnliche Gleichung kennen, arbeiten wir, bis wir die allgemeine Gleichung des Kreises finden: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dacb70230bf38f0719ef399c3bf97727_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+1^2+2\\cdot x \\cdot 1+y^2+2^2-2\\cdot y \\cdot 2=25\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"323\" 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-c540e082018d26478d17e7cd1991280e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+1+2x+y^2+4-4y=25\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"239\" 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-a84db66d6be46dcd6577bc788051cc6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2x+y^2-4y+1+4-25=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"270\" 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-61dbc21597fd549b0826f81395467ae8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+2x+y^2-4y-20=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die allgemeine Kreisgleichung lautet also: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d0aad138d023e75ed59b3fa7b89247ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x^2+y^2+2x-4y-20=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" 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\">\u00dcbung 2<\/h3>\n<p> Ermitteln Sie f\u00fcr jeden der folgenden Kreise die Koordinaten seines Mittelpunkts und die L\u00e4nge seines Radius. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-93caa68e4fb4ec47816d1d8e6bf3a406_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)}\\ (x-2)^2+(y+5)^2=36\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"213\" 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-eb7951cbb0d649bd68e0a7be0d66281c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)}\\  x^2+y^2+8x-10y+1 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"234\" 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-b63bd92988f9ebb0e256e7b6f72120e4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)}\\ x^2+y^2=4\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"115\" 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>siehe L\u00f6sung<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> <strong>Umfang A)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c8c045e659d071fcc7f64053f6be107f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-2)^2+(y+5)^2=36\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"186\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Der Umfang wird in Form einer gew\u00f6hnlichen Gleichung ausgedr\u00fcckt, deren Formel lautet:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Daher sind die Koordinaten des Kreismittelpunkts: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f5efef3ea46a765419553313f5ca6ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(a,b)\" 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-aeae2f2253b0e865affe7eb4e4045c5a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{C(2,-5)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"67\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Und sein Radius ist: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-600a7310c5834d8d3fad25e89deba0a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r^2=36\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" 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-9233e539f37236d7548131ed75ad1e86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{r=6}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"41\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"> <strong>Umfang B)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-253fa91392e1e066a52be943874175cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+8x-10y+1 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"209\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Dieser Umfang wird in Form einer allgemeinen Gleichung ausgedr\u00fcckt. Um die Koordinaten seines Mittelpunkts zu berechnen, m\u00fcssen Sie daher die folgende Formel verwenden: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e64305413efd35fdc4d0650acf78623d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{A}{2}, -\\frac{B}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-554c02287c317db9bfad3ee656ffc4d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(-\\frac{8}{2}, -\\frac{-10}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"124\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e07d270b9ef4a798ab46911132c60bf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\bigl(-4, -(-5)\\bigr)\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"110\" style=\"vertical-align: -7px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9eb4c6f0c580fa8cd0304d95339f1e49_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{C(-4, 5)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"66\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Andererseits lautet die Formel zum Ermitteln des Kreisradius:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b0cdc38937e6c36bb9e6d2ca0814a650_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{aligned} r &amp; = \\sqrt{\\left(\\frac{A}{2}\\right)^2 +\\left(\\frac{B}{2}\\right)^2-C} \\\\[2ex] &amp; =\\sqrt{\\left(\\frac{8}{2}\\right)^2 +\\left(\\frac{-10}{2}\\right)^2-1} \\\\[2ex] &amp; =\\sqrt{\\left(4\\right)^2 +\\left(-5\\right)^2-1} \\\\[2ex] &amp;= \\sqrt{16+25-1} \\\\[2ex] &amp;= \\bm{\\sqrt{40}} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"269\" width=\"218\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> <strong>Umfang C)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91652bf524a31b3abfbacf829d5c3024_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2=4\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"89\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Der Umfang wird in Form einer gew\u00f6hnlichen Gleichung ausgedr\u00fcckt, deren Formel lautet:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Daher sind die Koordinaten des Kreismittelpunkts:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3f5efef3ea46a765419553313f5ca6ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C(a,b)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"52\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> In diesem Fall hat die Gleichung keinen Term.<\/p>\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> weder<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a521efcd0a946cd643aebe98b5b41a3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"b,\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"12\" style=\"vertical-align: -4px;\"><\/p>\n<p> es ist daher auf den Koordinatenursprung zentriert:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-af6eeb157115e2a18cfa38f09fc11d85_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{C(0,0)}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"53\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Und sein Radius ist: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6f15f619bc019d0f668cff042ed62ed6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r^2=4\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"49\" 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-4964d8cfd7ef22134e4d600697e4841d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{r=2}\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"40\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u00dcbung 3<\/h3>\n<p> Welche der folgenden Gleichungen ist die Kreisgleichung? <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-669f1a6230f3055c7cb7a40db679ef48_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{A)}\\ x^2+y^2+4x-6y-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"226\" 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-ef04a07d4a0089b39ecbc9de3047c185_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{B)}\\  x^2+y^2+5x+5y+2xy-4 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"276\" 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-bdd38651c9b1ac5cbfc2315da374ead6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{C)}\\ 2x^2+2y^2-8x+4y+2=0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"244\" 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-f222b1efd24b2c061b293b5d0d12a374_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\text{D)}\\ x^2+y^2+x+2y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"218\" 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>siehe L\u00f6sung<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Damit ein Ausdruck die Gleichung eines Kreises ist, m\u00fcssen die folgenden Bedingungen erf\u00fcllt sein:<\/p>\n<p class=\"has-text-align-left\"> <strong>1.<\/strong> Die Koeffizienten von<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p> und von<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p> Sie m\u00fcssen gleich 1 sein.<br \/> <strong>2.<\/strong> Die Gleichung darf keinen Term haben<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p> <strong>3.<\/strong><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;190&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Wir m\u00fcssen daher \u00fcberpr\u00fcfen, ob die drei Bedingungen f\u00fcr jede Gleichung erf\u00fcllt sind. <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"> <strong>Gleichung A)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a6a81516c0f8432b89f8bc6f90ac9812_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+4x-6y-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Koeffizienten von<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p> Und<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p> sind 1 und die Gleichung hat keinen Term<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p> Es reicht daher aus, die dritte Bedingung zu \u00fcberpr\u00fcfen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;190&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-48023f09730538bbe1c444ce95734453_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{4}{2}\\right)^2+\\left(\\frac{-6}{2}\\right)^2-(-1)>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;216&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5ef2259d5b4e8e18842abbb767a7b293_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2^2+\\left(-3\\right)^2+1>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;22&#8243; width=&#8220;146&#8243; style=&#8220;vertical-align: -5px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-59ef896ffd96e877fbf3198732f2d3af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4+9+1>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;14&#8243; width=&#8220;103&#8243; style=&#8220;vertical-align: -2px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91029a12fff0b2f34276f8692b5173a1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 14>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;14&#8243; width=&#8220;49&#8243; style=&#8220;vertical-align: -2px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Gleichung erf\u00fcllt die drei Bedingungen, <strong>es handelt sich also um die Gleichung eines Kreises.<\/strong> <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"> <strong>Gleichung B)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-326811b6b97f9ba0bc878dfcf8904b21_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+5x+5y+2xy-4 = 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"250\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Gleichung hat einen Term mit<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a0b5b65b4fa8aef2ecb83e4724b75cc6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy,\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p> womit die Gleichung <strong>keinem Kreis entspricht.<\/strong> <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"> <strong>Gleichung C)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7997d025687293da234c60efbb4390ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"2x^2+2y^2-8x+4y+2=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"218\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Koeffizienten von<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p> Und<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p> sind nicht 1, aber wir k\u00f6nnen die Gleichung umwandeln, indem wir alle Terme dividieren:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-324f0e4c339c56376f79a6f8420fcb03_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2-4x+2y+1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"200\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Auf diese Weise sind nun die Koeffizienten von<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p> Und<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p> Ja, sie sind 1 und au\u00dferdem hat die Gleichung keinen Term<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p> Wir m\u00fcssen daher nur die dritte Bedingung best\u00e4tigen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;190&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-283fb580944e951ece8b8e24e84eb524_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{-4}{2}\\right)^2+\\left(\\frac{2}{2}\\right)^2+1>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;189&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-91f0622656a691a59a0e9052709d21de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (-2)^2+\\left(1\\right)^2+1>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;22&#8243; width=&#8220;158&#8243; style=&#8220;vertical-align: -5px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5eadfd980efe34932b4329383d30563a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4+1+1>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;14&#8243; width=&#8220;103&#8243; style=&#8220;vertical-align: -2px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8c570dbdfdce26cd5e1e13bd563e2ccd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 6>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;14&#8243; width=&#8220;42&#8243; style=&#8220;vertical-align: -2px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Gleichung erf\u00fcllt die drei Bedingungen, <strong>es handelt sich also um die Gleichung eines Kreises.<\/strong> <\/p>\n<hr class=\"wp-block-separator has-text-color has-pale-cyan-blue-color has-css-opacity has-pale-cyan-blue-background-color has-background\">\n<p class=\"has-text-align-left\"> <strong>Gleichung D)<\/strong><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b896c6512c871afb6136853a0a2cf72b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+x+2y+6=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"191\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Koeffizienten von<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-76e092d71026e8d64e9e3fc6857554cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p> Und<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c73c29a3e05add4949b9207310200e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y^2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"16\" style=\"vertical-align: -4px;\"><\/p>\n<p> sind 1 und die Gleichung hat keinen Term<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce7d7fd003c1b94cfc8c5c46f148f714_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"xy.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" style=\"vertical-align: -4px;\"><\/p>\n<p> Es reicht daher aus, die dritte Bedingung zu \u00fcberpr\u00fcfen: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ffc789338787de266be2abc66e24a455_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{A}{2}\\right)^2+\\left(\\frac{B}{2}\\right)^2-C>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;190&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-df508b8ad2882f89d197f3845bcc13ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\left(\\frac{1}{2}\\right)^2+\\left(\\frac{2}{2}\\right)^2-6>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;47&#8243; width=&#8220;175&#8243; style=&#8220;vertical-align: -17px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-06600177f85089d43db1d30e47297e6c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0,25+1-6>0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;17&#8243; width=&#8220;128&#8243; style=&#8220;vertical-align: -4px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-74d079e75c8619832a03cd179a3383ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -4,75 \\ \\cancel{>} \\ 0&#8243; title=&#8220;Rendered by QuickLaTeX.com&#8220; height=&#8220;17&#8243; width=&#8220;82&#8243; style=&#8220;vertical-align: -4px;&#8220;><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die Gleichung erf\u00fcllt die letzte Bedingung nicht, <strong>es handelt sich also nicht um die Gleichung eines Kreises<\/strong> .<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> \u00dcbung 4<\/h3>\n<p> Bestimmen Sie die Gleichung des Kreises, der durch die folgenden drei Punkte verl\u00e4uft: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4502f53d3453a32786375e0583cb2785_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(0,0) \\quad B(3,0) \\quad C(2,-2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"208\" 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>siehe L\u00f6sung<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Die allgemeine Gleichung eines beliebigen Kreises lautet:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8890b7cc400fafc2f805ca67e08881ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x^2+y^2+Ax+By+C=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"215\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Daher m\u00fcssen wir die Koordinaten der Punkte in die Kreisgleichung einsetzen, um die Parameter zu finden<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-94b9e9013dcf92b4ae2a6fbb804365a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A,\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"17\" style=\"vertical-align: -4px;\"><\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-770fd1447ccf2fc229801b486b0d8f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p> Und<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e33ac8af21963090f8229a332d211273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C.\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Mit dem ersten Punkt ermitteln wir den Koeffizienten <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ab5bb26176c859b9b09d69eb399bea9c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"C:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" 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-c994d016e5b89d5820060efa138860cc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(0,0) \\ \\longrightarrow \\ 0^2+0^2+A\\cdot 0 +B\\cdot 0+C=0 \\ \\longrightarrow \\ \\bm{C = 0}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"437\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Mit dem zweiten Punkt ermitteln wir den Koeffizienten <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-944477c7f7578892a57aa3b7c7dd8268_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A:\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"22\" 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-12719654d98ba81f0a7d45e587478e6d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}A(3,0) \\ \\longrightarrow  \\ &amp; 3^2+0^2+A\\cdot 3 +B\\cdot 0+C=0  \\\\[2ex] &amp; 9+A\\cdot 3  =0\\\\[2ex]&amp;  \\bm{A=-3} &amp; \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"100\" width=\"335\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Und ab dem dritten Punkt finden wir den Koeffizienten <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2976704f0327609d6a0deba6d1139c3f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"B:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"23\" 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-f1e69c28996a8fbfa14189c48a295095_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} A(2,-2) \\ \\longrightarrow  \\ &amp; 2^2+(-2)^2+A\\cdot 2 +B\\cdot (-2)+C=0 \\\\[2ex] &amp; 4+4+(-3)\\cdot 2+ B\\cdot (-2)+0=0 \\\\[2ex] &amp; 8-6-2B=0 \\\\[2ex] &amp; \\bm{B=1} \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"142\" width=\"404\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Zusammenfassend lautet die allgemeine Gleichung f\u00fcr den Umfang:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c9f54f4187497c1fa02459870f4738c3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{x^2+y^2-3x+y=0}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"161\" 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\">\u00dcbung 5<\/h3>\n<p> Wenn die gegen\u00fcberliegenden Enden eines Kreises die folgenden zwei Punkte sind:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1dad063e5dabd63e9833d42ad087a2ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A(2,3) \\qquad B(6,-1)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"155\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Wie lautet die gew\u00f6hnliche Kreisgleichung? <\/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>siehe L\u00f6sung<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Wenn die beiden Punkte die Enden des Kreises sind, ist sein Mittelpunkt der Mittelpunkt zwischen diesen beiden Punkten: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d8301618bb0d7b4ded6acd02f1087b9e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(\\frac{2+6}{2} , \\frac{3+(-1)}{2} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"162\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-fe41a577fe933b35601afe7f6239e03d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(\\frac{8}{2} , \\frac{2}{2} \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"73\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-06be238c032f258db6686b8e2c164605_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle C\\left(4,1 \\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"56\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Andererseits ist der Durchmesser des Kreises der Abstand zwischen den beiden Punkten, der anhand der Gr\u00f6\u00dfe des Vektors berechnet werden kann, den die beiden Punkte bilden: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a3dd2c628d11818ba0cab76f4614ed91_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{AB} = B-A=(6,-1) - (2,3) = (4,-4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"315\" 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-1d0fb498083e41cf9f0f8b7a150f42fd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"d = \\lvert \\vv{AB} \\rvert =\\sqrt{4^2+(-4)^2} = \\sqrt{16+16} = \\sqrt{32}\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"346\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Und der Radius des Kreises ist halb so gro\u00df wie der Durchmesser:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-1d5a6269d58490fc6848303c3654a1c7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r = \\cfrac{\\sqrt{32}}{2}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"67\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Die gew\u00f6hnliche Kreisgleichung lautet daher: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-eb8ffc83b27f7ed251e2233abbce5046_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(x-a)^2+(y-b)^2=r^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"183\" 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-a958c8b86fa29064dff3aa581e722473_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (x-4)^2+(y-1)^2=\\left(\\frac{\\sqrt{32}}{2}\\right)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"58\" width=\"239\" style=\"vertical-align: -23px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-34bc4dc9c86ca1b78edaa23113e51a59_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{(x-4)^2+(y-1)^2=}\\frac{\\bm{32}}{\\bm{4}}\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"183\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p> Wenn dieser Artikel f\u00fcr Sie hilfreich war, werden Sie sicherlich auch an unseren Seiten <a href=\"https:\/\/mathority.org\/de\/hyperbeldefinition,-formelelemente,-gleichungsbeispiele,-ubung-gelost\/\">zu Hyperbeln (Mathematik)<\/a> und <a href=\"https:\/\/mathority.org\/de\/parabel-mathematik-definition-gleichung-beispiele-ubungen-elemente-gelost\/\">Parabeln (Mathematik)<\/a> interessiert sein. Sie finden eine detaillierte Erkl\u00e4rung, was die Hyperbel und die Parabel sind, ihre Gleichungen, ihre Eigenschaften, Beispiele, gel\u00f6ste \u00dcbungen \u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Auf dieser Seite finden Sie alles \u00fcber die Umfangsgleichung: gew\u00f6hnliche Gleichung, allgemeine Gleichung, andere Arten von Umfangsgleichungen, wann die Umfangsgleichung korrekt ist, &#8230; Au\u00dferdem sehen Sie Beispiele, wie Sie die Gleichung finden eines Umfanges und Sie k\u00f6nnen mit gel\u00f6sten \u00dcbungen \u00fcben. Gew\u00f6hnliche Kreisgleichung Bevor wir sehen, was die Umfangsgleichung ist, erinnern wir uns an den &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/de\/umfangsgleichung-gewohnliche-formel-allgemeine-beispiele-geloste-ubungen\/\"> <span class=\"screen-reader-text\">Umfangsgleichung<\/span> Weiterlesen &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":[21],"tags":[],"class_list":["post-237","post","type-post","status-publish","format-standard","hentry","category-trinome"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Umfangsgleichung -<\/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\/de\/umfangsgleichung-gewohnliche-formel-allgemeine-beispiele-geloste-ubungen\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Umfangsgleichung -\" \/>\n<meta property=\"og:description\" content=\"Auf dieser Seite finden Sie alles \u00fcber die Umfangsgleichung: gew\u00f6hnliche Gleichung, allgemeine Gleichung, andere Arten von Umfangsgleichungen, wann die Umfangsgleichung korrekt ist, &#8230; Au\u00dferdem sehen Sie Beispiele, wie Sie die Gleichung finden eines Umfanges und Sie k\u00f6nnen mit gel\u00f6sten \u00dcbungen \u00fcben. 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