101 lines
5.0 KiB
XML
101 lines
5.0 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<assessmentItem xmlns="http://www.imsglobal.org/xsd/imsqti_v2p1" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsqti_v2p1 http://www.imsglobal.org/xsd/qti/qtiv2p1/imsqti_v2p1.xsd" identifier="item8math" title="Item 8" adaptive="false" timeDependent="false" xml:lang="en-US">
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<responseDeclaration identifier="RESPONSE" cardinality="single" baseType="identifier">
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<correctResponse>
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<value>Choice_1</value>
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</correctResponse>
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</responseDeclaration>
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<responseDeclaration identifier="RESPONSE_1" cardinality="single" baseType="pair">
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<correctResponse>
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<value>Choice_4 Choice_5</value>
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</correctResponse>
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<mapping defaultValue="0" lowerBound="0" upperBound="2">
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<mapEntry mapKey="Choice_4 Choice_5" mappedValue="2"/>
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</mapping>
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</responseDeclaration>
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<outcomeDeclaration identifier="SCORE" cardinality="single" baseType="integer"/>
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<itemBody>
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<p> Find the value of <m:math id="mathML0">
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<m:semantics>
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<m:mstyle>
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<m:mrow class="MJX-TeXAtom-ORD">
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<m:mi>x</m:mi>
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<m:mo>=</m:mo>
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<m:mrow class="MJX-TeXAtom-ORD">
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<m:mfrac>
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<m:mrow>
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<m:mo>−<!-- − --></m:mo>
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<m:mi>b</m:mi>
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<m:mo>±<!-- ± --></m:mo>
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<m:msqrt>
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<m:msup>
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<m:mi>b</m:mi>
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<m:mn>2</m:mn>
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</m:msup>
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<m:mo>−<!-- − --></m:mo>
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<m:mn>4</m:mn>
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<m:mi>a</m:mi>
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<m:mi>c</m:mi>
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</m:msqrt>
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</m:mrow>
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<m:mrow>
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<m:mn>2</m:mn>
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<m:mi mathvariant="normal">Δ<!-- Δ --></m:mi>
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</m:mrow>
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</m:mfrac>
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</m:mrow>
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</m:mrow>
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</m:mstyle>
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<m:annotation encoding="tex">x = {-b \pm \sqrt{b^2-4ac} \over 2\beta}</m:annotation>
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</m:semantics>
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</m:math> to 3 decimal places.</p>
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<choiceInteraction responseIdentifier="RESPONSE" shuffle="false" maxChoices="1" minChoices="0">
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<prompt>choose</prompt>
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<simpleChoice identifier="Choice_1" fixed="false">A</simpleChoice>
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<simpleChoice identifier="Choice_2" fixed="false">B</simpleChoice>
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<simpleChoice identifier="Choice_3" fixed="false">C</simpleChoice>
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</choiceInteraction>
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<associateInteraction responseIdentifier="RESPONSE_1" shuffle="false" maxAssociations="1" minAssociations="0">
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<prompt>
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<br/>
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</prompt>
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<simpleAssociableChoice identifier="Choice_4" fixed="false" matchMin="0" matchMax="1">A</simpleAssociableChoice>
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<simpleAssociableChoice identifier="Choice_5" fixed="false" matchMin="0" matchMax="1">B</simpleAssociableChoice>
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<simpleAssociableChoice identifier="Choice_6" fixed="false" matchMin="0" matchMax="1">C</simpleAssociableChoice>
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<simpleAssociableChoice identifier="Choice_7" fixed="false" matchMin="0" matchMax="1">D</simpleAssociableChoice>
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</associateInteraction>
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</itemBody>
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<responseProcessing>
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<responseCondition>
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<responseIf>
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<match>
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<variable identifier="RESPONSE"/>
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<correct identifier="RESPONSE"/>
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</match>
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<setOutcomeValue identifier="SCORE">
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<sum>
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<variable identifier="SCORE"/>
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<baseValue baseType="integer">1</baseValue>
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</sum>
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</setOutcomeValue>
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</responseIf>
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</responseCondition>
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<responseCondition>
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<responseIf>
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<not>
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<isNull>
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<variable identifier="RESPONSE_1"/>
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</isNull>
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</not>
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<setOutcomeValue identifier="SCORE">
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<sum>
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<variable identifier="SCORE"/>
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<mapResponse identifier="RESPONSE_1"/>
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</sum>
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</setOutcomeValue>
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</responseIf>
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</responseCondition>
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</responseProcessing>
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</assessmentItem>
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