<?xml version="1.0" encoding="UTF-8"?>
<quiz>
 <!-- categoryid: 645 -->
 <question type="category"><category><text>Pre-Calc/Chapter 7:  Systems and Matrices/7.1 Solving Systems of Two Equations/Use Graph to Estimate Solutions of System</text></category></question>
 
 <!-- resourceid-resourcedataid: 6049-5458 -->
 <question type="multichoice">
    <name>
      <text>Use the graph to estimate any solutions of the system.2x - 2y = 6-3x + y = ...</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<b>Use the graph to estimate any solutions of the system.<br/><br/></b>2x - 2y = 6<br/>-3x + y = -7<br/><br/><img align="middle" height="225" width="225" src="@@PLUGINFILE@@/ppg__7.1 solve by graphin0222131703__f1q1g1.jpg"/><br/> [-5, 5] by [-5, 5]]]></text>
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   </questiontext>
    <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>(2.5, -1)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(2, 1)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(2.5, -0.5)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>(2, -1)</text>
      <feedback format="html">
        <text>Correct</text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 6050-5459 -->
 <question type="multichoice">
    <name>
      <text>Use the graph to estimate any solutions of the system.x - 4y = 42x - 8y = 16</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<b>Use the graph to estimate any solutions of the system.<br/><br/></b>x - 4y = 4<br/>2x - 8y = 16<br/><img align="middle" height="225" width="225" src="@@PLUGINFILE@@/ppg__7.1 solve by graphin0222131703__f1q2g1.jpg"/><br/> [-5, 5] by [-5, 5]]]></text>
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   </questiontext>
    <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="100" format="html">
      <text>No solution</text>
      <feedback format="html">
        <text>Correct</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(0, -1)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(8, -8)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(4, 0)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
  </question>
 
 <!-- resourceid-resourcedataid: 6051-5460 -->
 <question type="multichoice">
    <name>
      <text>Use the graph to estimate any solutions of the system.y = 5 + x - x2y = 1 + ...</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<b>Use the graph to estimate any solutions of the system.<br/><br/></b>y = 5 + x - x<sup>2</sup><br/>y = 1 + x<br/><img align="middle" height="225" width="225" src="@@PLUGINFILE@@/ppg__7.1 solve by graphin0222131703__f1q3g1.jpg"/><br/> [-5, 5] by [-5, 5]]]></text>
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   </questiontext>
    <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>(1.5, 3) and (-2, -1)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text>(2, 3) and (-2, -1)</text>
      <feedback format="html">
        <text>Correct</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(2, 3)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text>(2, 3) and (-1, -1)</text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
  </question>
 </quiz>
