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<quiz>
 <!-- categoryid: 684 -->
 <question type="category"><category><text>Pre-Calc/Chapter 8:  Analytic Geometry in Two- and Three-Dimensions/8.2 Ellipses/8.2.1 Find Center, Vertices, Foci of Ellipse</text></category></question>
 
 <!-- resourceid-resourcedataid: 6121-5530 -->
 <question type="multichoice">
    <name>
      <text>Find the center, vertices, and foci of the ellipse with the given equation.</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<b>Find the center, vertices, and foci of the ellipse with the given equation.<br/><br/></b><img align="middle" src="@@PLUGINFILE@@/ppg__8.2.1 find center_ v0317131644__f1q1g1.jpg"/> + <img align="middle" src="@@PLUGINFILE@@/ppg__8.2.1 find center_ v0317131644__f1q1g2.jpg"/> = 1]]></text>
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    <generalfeedback format="html">
      <text></text>
    </generalfeedback>
    <defaultgrade>1.0000000</defaultgrade>
    <penalty>0.3333333</penalty>
    <hidden>0</hidden>
    <single>true</single>
    <shuffleanswers>true</shuffleanswers>
    <answernumbering>abc</answernumbering>
    <correctfeedback format="html">
      <text></text>
    </correctfeedback>
    <partiallycorrectfeedback format="html">
      <text></text>
    </partiallycorrectfeedback>
    <incorrectfeedback format="html">
      <text></text>
    </incorrectfeedback>
    <answer fraction="0" format="html">
      <text>Center: (0, 0); Vertices: (0, -25), (0, 25); Foci: (0, -15), (0, 15)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>Center: (0, 0); Vertices: (-25, 0), (25, 0); Foci: (-20, 0), (20, 0)</text>
      <feedback format="html">
        <text>Correct</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>Center: (0, 0); Vertices: (-25, 0), (25, 0); Foci: (-15, 0), (15, 0)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>Center: (0, 0); Vertices: (0, -25), (0, 25); Foci: (0, -20), (0, 20)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
  </question>
 </quiz>
