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<quiz>
 <!-- categoryid: 610 -->
 <question type="category"><category><text>Pre-Calc/Chapter 2:  Polynomial, Power, and Rational Functions/2.2 Power Functions and Modeling/2.2.1 Power Function Basics</text></category></question>
 
 <!-- resourceid-resourcedataid: 5923-5333 -->
 <question type="multichoice">
    <name>
      <text>Write the statement as a power function equation. Use k as the constant of ...</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<b>Write the statement as a power function equation. Use k as the constant of variation.<br/><br/></b>The surface area of a sphere S varies directly as the square of its radius r.]]></text>
    </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><![CDATA[S = <img align="middle" src="@@PLUGINFILE@@/ppg__pre-calc 2.20118141644__f1q2g1.jpg"/>]]></text>
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        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text><![CDATA[S = <img align="middle" src="@@PLUGINFILE@@/ppg__pre-calc 2.20118141644__f1q2g2.jpg"/>]]></text>
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        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="0" format="html">
      <text><![CDATA[S = k<sup>2</sup>r]]></text>
      <feedback format="html">
        <text>Incorrect</text>
      </feedback>
    </answer>
    <answer fraction="100" format="html">
      <text><![CDATA[S = kr<sup>2</sup>]]></text>
      <feedback format="html">
        <text>Correct</text>
      </feedback>
    </answer>
  </question>
 </quiz>
