<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Tue, 21 Apr 2026 23:31:34 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/quadratic-equation/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[이차방정식과 함수이야기(1)]]></title><description><![CDATA[이차함수와 이차방정식에 대해 써보려 합니다~ (*이 글은 매우 개념적인 내용들을 담고 있습니다.) 교육과정에서 이차방정식은 최초로 중학교 2학년 때 등장해요. 이 시기에 그 유명한 ‘근의 공식’을 배우게 됩니다. (배운지 몇 년이 지나도 기억한다는 악랄한 공식이죠.) 「근의공식 - 출처:네이버 백과사전」 그리고 고등학생이 되면 이차방정식과 이차함수에 대해 다시]]></description><link>http://direct.ecency.com/quadratic-function/@ryeons/1</link><guid isPermaLink="true">http://direct.ecency.com/quadratic-function/@ryeons/1</guid><category><![CDATA[quadratic-function]]></category><dc:creator><![CDATA[ryeons]]></dc:creator><pubDate>Sun, 31 Mar 2019 17:38:51 GMT</pubDate><enclosure url="https://images.ecency.com/p/99pyU5Ga1kwqSXWA2evTexn6YzPHotJF8R85JZsErvtTWYvsdnSr5gBdvWfUYVPYAWtntpcoCFVPDqECoq7tRSQq5tdsSeNCcnv7qBfSuiDA54F1cms1vL2PvGSqNhEkF8?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Special Quadratic Equation (x^2 -nx -1 = 0)]]></title><description><![CDATA[<html> <p><iframe width="560" height="315" src=" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></p> </html> ]]></description><link>http://direct.ecency.com/mathematics/@si118yt118si/special-quadratic-equation-x-2-nx-1-0</link><guid isPermaLink="true">http://direct.ecency.com/mathematics/@si118yt118si/special-quadratic-equation-x-2-nx-1-0</guid><category><![CDATA[mathematics]]></category><dc:creator><![CDATA[si118yt118si]]></dc:creator><pubDate>Wed, 21 Feb 2018 08:15:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/x7L2VSNEiyA8Ez5qcckihcYsuqj7dUBcr6bWXERFoiZCTvyBwdShu8iTe6bxWxvDmsEvsRk6PCnEBUi?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Solving A Quadratic Equation Graphically]]></title><description><![CDATA[How to Solve a Quadratic Equation Using the Graphical Mehtod In this lesson we will draw a parabola using table of values and find where the graph intersect the x-axis (x-intercepts) which will be the]]></description><link>http://direct.ecency.com/steemiteducation/@mathworksheets/solving-quadratic-equation-graphically</link><guid isPermaLink="true">http://direct.ecency.com/steemiteducation/@mathworksheets/solving-quadratic-equation-graphically</guid><category><![CDATA[steemiteducation]]></category><dc:creator><![CDATA[mathworksheets]]></dc:creator><pubDate>Thu, 12 Oct 2017 03:09:48 GMT</pubDate><enclosure url="https://images.ecency.com/p/99pyU5Ga1kws91ecJjkANAzfstp5ietJ4ACvk9NVP4PVEM2RXAwPpSBr9ZbxbgV21QSZSN6nhHDTqLDj7k95YDdRM6K7f3R42DJyaVWxaCY3TgyBSnqiMPEzZTsRZNopB8?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Quadratic Equations - Solve By Completing The Square Method]]></title><description><![CDATA[Solve a quadratic equation by completing its square - Example 4 This is the last post on how to solve quadratic equations by completing their squares. This method builds the foundation to derive the quadratic]]></description><link>http://direct.ecency.com/steemiteducation/@mathworksheets/quadratic-equations-solve-by-completing-the-square-method</link><guid isPermaLink="true">http://direct.ecency.com/steemiteducation/@mathworksheets/quadratic-equations-solve-by-completing-the-square-method</guid><category><![CDATA[steemiteducation]]></category><dc:creator><![CDATA[mathworksheets]]></dc:creator><pubDate>Wed, 04 Oct 2017 02:13:42 GMT</pubDate><enclosure url="https://images.ecency.com/p/99pyU5Ga1kws91ecJjkANAzfstp5ietJ4ACvk9NVMoez1YZpUS4xTESEDa1nGCjWU7fi5GTTfEBTat8vn7YVpEksdqCNzjPbb8h6AwLjCNHarfnaG9yrCEQNdSr6CzSysU?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>