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[Stack-cvs] stack-dev/sample_questions/examples examples_ODEs.xml, NONE, 1.1.6.2 examples_matrix_parameter.xml, NONE, 1.1.6.2 examples_unary-minus.xml, NONE, 1.1.6.2 examples_random_strings.xml, NONE, 1.1.6.2 examples_create-examples.xml, NONE, 1.2.6.2
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From: Simon H. <sim...@us...> - 2010-11-09 16:51:51
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Update of /cvsroot/stack/stack-dev/sample_questions/examples In directory sfp-cvsdas-3.v30.ch3.sourceforge.com:/tmp/cvs-serv25193/sample_questions/examples Added Files: Tag: item_state_separation examples_ODEs.xml examples_matrix_parameter.xml examples_unary-minus.xml examples_random_strings.xml examples_create-examples.xml Log Message: Brought back up to date with big HEAD merge. --- NEW FILE: examples_random_strings.xml --- <?xml version="1.0" encoding="UTF-8"?> <assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>The winner is @p@. \[\int @p1@ = @log(1/p1)@.\]</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>p = rand(["Tom", "Dick", "Harry"]); p1 = 1/"cabin"+0</rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts/><PotentialResponseTrees/><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>examples_random_strings</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" 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Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default></default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correct'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correct'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect'>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption></ItemOptions><ItemTests/></assessmentItem> --- NEW FILE: examples_create-examples.xml --- <?xml version="1.0" encoding="UTF-8"?> <mathQuiz version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" 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Hence, there are many examples which satisfy this definition, $\cos(x)$, $3*x^4$, and even $f(x)=c$ for any constant.</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext>.</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans1</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>3*x^4</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans1</studentAnsKey><syntax 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key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>ce_evenf</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Give me an even function</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection></selection><default>http://localhost/stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection></selection><default>text/xml; charset="utf-8"</default><values><value key="0">application</value><value key="1">audio</value><value key="2">image</value><value key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" 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key="VeryEasy">Very Easy</value><value key="Easy">Easy</value><value key="Medium">Medium</value><value key="Difficult">Difficult</value><value key="VeryDifficult">Very Difficult</value><value key="unspecified">Unspecified</value></values></lom:difficulty><questionCompetency type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Think">Think</value><value key="Argue">Argue</value><value key="Solve">Solve</value><value key="Represent">Represent</value><value key="Language">Language</value><value key="Communicate">Communicate</value><value key="Tools">Tools</value><value key="unspecified">Unspecified</value></values></questionCompetency><questionCompentencyLevel type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value 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= subst(a,x,ans1); p2 = subst(b,x,ans1); p3 = subst(a+b,x,ans1)</feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>AlgEquiv</answerTest><teachersAns>p3</teachersAns><studentAns>p1+p2</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-0-T </ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback></feedback><ansnote>Result-0-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value 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type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="PrimaryEducation">Primary Education</value><value key="SecondaryEducation">Secondary Education</value><value key="HigherEducation">Higher Education</value><value key="UniversityFirstCycle">University First Cycle</value><value key="UniversitySecondCycle">University Second Cycle</value><value key="UniversityPostGrade">University Post Grade</value><value key="TechnicalSchoolFirstCycle">Technical School First Cycle</value><value key="TechnicalSchoolSecondCycle">Technical School Second Cycle</value><value key="ProfessionalFormation">Professional Formation</value><value key="ContinuousFormation">Continuous Formation</value><value key="VocationalTraining">Vocational Training</value><value key="unspecified">Unspecified</value></values></lom:context><lom:difficulty stackname="questionDifficulty" type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="VeryEasy">Very Easy</value><value key="Easy">Easy</value><value key="Medium">Medium</value><value key="Difficult">Difficult</value><value key="VeryDifficult">Very Difficult</value><value key="unspecified">Unspecified</value></values></lom:difficulty><questionCompetency type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Think">Think</value><value key="Argue">Argue</value><value key="Solve">Solve</value><value key="Represent">Represent</value><value key="Language">Language</value><value key="Communicate">Communicate</value><value key="Tools">Tools</value><value key="unspecified">Unspecified</value></values></questionCompetency><questionCompentencyLevel type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value key="unspecified">Unspecified</value></values></questionCompentencyLevel><lom:typicallearningtime stackname="questionTimeAllocated" type="Meta"><selection>00:00:00</selection><default>00:00:00</default><values/></lom:typicallearningtime><dc:rights stackname="questionRights" type="Meta"><selection>http://www.gnu.org/copyleft/gpl.html</selection><default>http://www.gnu.org/copyleft/gpl.html</default><values/></dc:rights><questionExerciseType type="Meta"><selection>AlgebraicExpression</selection><default>AlgebraicExpression</default><values><value key="AlgebraicExpression">Algebraic Expression</value><value key="MCQSingleAnswer">MCQ Single Answer</value><value key="MCQMultpleAnswer">MCQ Multiple Answer</value><value key="FillInBlank">Fill in blank</value><value key="Unspecified">Unspecified</value></values></questionExerciseType><dc:date stackname="questionDateLastEdited" type="Meta"><selection>2010-03-03 18:52:24</selection><default>2010-03-02 08:42:05</default><values/></dc:date><lom:status stackname="questionStatus" type="Meta"><selection>Draft</selection><default>Draft</default><values><value key="Draft">Draft</value><value key="Deployed">Deployed</value><value key="Buggy">Buggy</value></values></lom:status><published type="Meta"><selection>Unpublished</selection><default>Unpublished</default><values><value key="Unpublished">Unpublished</value><value key="Published">Published</value><value key="Private">Private</value></values></published><lom:keyword stackname="keywords" type="Meta"><selection>demo, create, examples</selection><default>demo, create, examples</default><values/></lom:keyword></MetaData><ItemOptions><stackoption><name>Display</name><type>list</type><default>LaTeX</default><values><value>LaTeX</value><value>MathML</value></values><casKey>OPT_OUTPUT</casKey><casType>string</casType><selected>LaTeX</selected></stackoption><stackoption><name>MultiplicationSign</name><type>list</type><default>dot</default><values><value>(none)</value><value>dot</value><value>cross</value></values><casKey>make_multsgn</casKey><casType>fun</casType><selected>dot</selected></stackoption><stackoption><name>ComplexNo</name><type>list</type><default>i</default><values><value>i</value><value>j</value><value>symi</value><value>symj</value></values><casKey>make_complexJ</casKey><casType>fun</casType><selected>i</selected></stackoption><stackoption><name>Floats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>SqrtSign</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>sqrtdispflag</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>Simplify</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>simp</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>MarkModMethod</name><type>list</type><default>Penalty</default><values><value>Penalty</value><value>First Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default></default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correct'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correct'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption><stackoption><name>OptWorkedSol</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>x</value></col><col><key>PRT_PotResTree_Result</key><value>Result-0-T </value></col></test><test><col><key>IE_ans1</key><value>x^2</value></col><col><key>PRT_PotResTree_Result</key><value>Result-0-F </value></col></test></ItemTests></assessmentItem><assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>Give an example of a function $f(x)$ with a stationary point at $x=@n@$ and which is continuous but not differentiable at $x=0$. <br /> <br /> $f(x)=$ #ans1# <IEfeedback>ans1</IEfeedback> <PRTfeedback>Result</PRTfeedback></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals>n = 2+rand(4)</rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext>@n@</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans1</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>abs(x)*(x-2*n)</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans1</studentAnsKey><syntax type="Meta"><selection></selection><default></default><values/></syntax><stackoption><name>formalSyntax</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>forbidFloats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>insertStars</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>false</selected></stackoption><stackoption><name>sameType</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>lowestTerms</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_LowestTerms</casKey><casType>ex</casType><selected>true</selected></stackoption><inputTypesParameters/><forbiddenWords><Forbid>diff</Forbid><Forbid> diff</Forbid><Forbid> diff</Forbid><Forbid> diff</Forbid></forbiddenWords></questionpart></questionparts><PotentialResponseTrees><PotentialResponseTree><prtname>PotResTree_Result</prtname><questionValue>1</questionValue><autoSimplify>true</autoSimplify><feedbackVariables>p = subst(n,x,diff(ans1,x))</feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>AlgEquiv</answerTest><teachersAns>0</teachersAns><studentAns>p</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>0.34</rawMark><feedback></feedback><ansnote>Result-0-T </ansnote><nextPR>1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback>Your answer does not have a stationary point at $x=@n@$ but should do.</feedback><ansnote>No stationary point.</ansnote><nextPR>1</nextPR></false><teacherNote></teacherNote></PR><PR id="1"><answerTest>AlgEquiv</answerTest><teachersAns>true</teachersAns><studentAns>continuousp(ans1,x,0)</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>+</rawModMark><rawMark>0.33</rawMark><feedback></feedback><ansnote>Result-1-T </ansnote><nextPR>2</nextPR></true><false><rawModMark>+</rawModMark><rawMark>0</rawMark><feedback>Your answer is not continuous at $x=0$, but needs to be.</feedback><ansnote>Not continuous</ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR><PR id="2"><answerTest>AlgEquiv</answerTest><teachersAns>false</teachersAns><studentAns>diffp(ans1,x,0)</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>+</rawModMark><rawMark>0.33</rawMark><feedback></feedback><ansnote>Result-2-T </ansnote><nextPR>-1</nextPR></true><false><rawModMark>+</rawModMark><rawMark>0</rawMark><feedback>Your answer is differentiable at $x=0$ but should not be. Consider using $|x|$, which is entered as <tt>abs(x)</tt>, somewhere in your answer.</feedback><ansnote>Result-2-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>ce_non-diff</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Give a function which is continuous but not diferentiable</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection></selection><default>http://localhost/stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection></selection><default>text/xml; charset="utf-8"</default><values><value key="0">application</value><value key="1">audio</value><value key="2">image</value><value key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="PrimaryEducation">Primary Education</value><value key="SecondaryEducation">Secondary Education</value><value key="HigherEducation">Higher Education</value><value key="UniversityFirstCycle">University First Cycle</value><value key="UniversitySecondCycle">University Second Cycle</value><value key="UniversityPostGrade">University Post Grade</value><value key="TechnicalSchoolFirstCycle">Technical School First Cycle</value><value key="TechnicalSchoolSecondCycle">Technical School Second Cycle</value><value key="ProfessionalFormation">Professional Formation</value><value key="ContinuousFormation">Continuous Formation</value><value key="VocationalTraining">Vocational Training</value><value key="unspecified">Unspecified</value></values></lom:context><lom:difficulty stackname="questionDifficulty" type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="VeryEasy">Very Easy</value><value key="Easy">Easy</value><value key="Medium">Medium</value><value key="Difficult">Difficult</value><value key="VeryDifficult">Very Difficult</value><value key="unspecified">Unspecified</value></values></lom:difficulty><questionCompetency type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Think">Think</value><value key="Argue">Argue</value><value key="Solve">Solve</value><value key="Represent">Represent</value><value key="Language">Language</value><value key="Communicate">Communicate</value><value key="Tools">Tools</value><value key="unspecified">Unspecified</value></values></questionCompetency><questionCompentencyLevel type="Meta"><selection>unspecified</selection><default>unspecified</default><values><value key="Elementary">Elementary</value><value key="SimpleConceptual">Simple conceptual</value><value key="Multi-step">Multi-step</value><value key="Complex">Complex</value><value key="unspecified">Unspecified</value></values></questionCompentencyLevel><lom:typicallearningtime stackname="questionTimeAllocated" type="Meta"><selection>00:00:00</selection><default>00:00:00</default><values/></lom:typicallearningtime><dc:rights stackname="questionRights" type="Meta"><selection>http://www.gnu.org/copyleft/gpl.html</selection><default>http://www.gnu.org/copyleft/gpl.html</default><values/></dc:rights><questionExerciseType type="Meta"><selection>AlgebraicExpression</selection><default>AlgebraicExpression</default><values><value key="AlgebraicExpression">Algebraic Expression</value><value key="MCQSingleAnswer">MCQ Single Answer</value><value key="MCQMultpleAnswer">MCQ Multiple Answer</value><value key="FillInBlank">Fill in blank</value><value key="Unspecified">Unspecified</value></values></questionExerciseType><dc:date stackname="questionDateLastEdited" type="Meta"><selection>2010-03-02 08:55:58</selection><default>2010-03-02 08:42:05</default><values/></dc:date><lom:status stackname="questionStatus" type="Meta"><selection>Draft</selection><default>Draft</default><values><value key="Draft">Draft</value><value key="Deployed">Deployed</value><value key="Buggy">Buggy</value></values></lom:status><published type="Meta"><selection>Unpublished</selection><default>Unpublished</default><values><value key="Unpublished">Unpublished</value><value key="Published">Published</value><value key="Private">Private</value></values></published><lom:keyword stackname="keywords" type="Meta"><selection>demo, create, examples</selection><default>demo, create, examples</default><values/></lom:keyword></MetaData><ItemOptions><stackoption><name>Display</name><type>list</type><default>LaTeX</default><values><value>LaTeX</value><value>MathML</value></values><casKey>OPT_OUTPUT</casKey><casType>string</casType><selected>LaTeX</selected></stackoption><stackoption><name>MultiplicationSign</name><type>list</type><default>dot</default><values><value>(none)</value><value>dot</value><value>cross</value></values><casKey>make_multsgn</casKey><casType>fun</casType><selected>dot</selected></stackoption><stackoption><name>ComplexNo</name><type>list</type><default>i</default><values><value>i</value><value>j</value><value>symi</value><value>symj</value></values><casKey>make_complexJ</casKey><casType>fun</casType><selected>i</selected></stackoption><stackoption><name>Floats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>SqrtSign</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>sqrtdispflag</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>Simplify</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>simp</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>MarkModMethod</name><type>list</type><default>Penalty</default><values><value>Penalty</value><value>First Answer</value><value>Last Answer</value></values><casKey></casKey><casType></casType><selected>Penalty</selected></stackoption><stackoption><name>AssumePos</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey>assume_pos</casKey><casType>ex</casType><selected>false</selected></stackoption><stackoption><name>TeacherEmail</name><type>string</type><default></default><casKey></casKey><casType></casType><selected></selected></stackoption><stackoption><name>Feedback</name><type>list</type><default>TGS</default><values><value>TGS</value><value>TG</value><value>GS</value><value>T</value><value>G</value><value>S</value><value>none</value></values><casKey></casKey><casType></casType><selected>TGS</selected></stackoption><stackoption><name>FeedbackGenericCorrect</name><type>html</type><default><span class='correct'>Correct answer, well done.</span></default><casKey></casKey><casType></casType><selected><span class='correct'>Correct answer, well done.</span></selected></stackoption><stackoption><name>FeedbackGenericIncorrect</name><type>html</type><default><span class='incorrect'>Incorrect answer.</span></default><casKey></casKey><casType></casType><selected><span class='incorrect>Incorrect answer.</span></selected></stackoption><stackoption><name>FeedbackGenericPCorrect</name><type>html</type><default><span class='partially'>Your answer is partially correct.</span></default><casKey></casKey><casType></casType><selected><span class='partially'>Your answer is partially correct.</span></selected></stackoption><stackoption><name>OptWorkedSol</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption></ItemOptions><ItemTests><test><col><key>IE_ans1</key><value>abs(x)*(x-2*n)</value></col><col><key>PRT_PotResTree_Result</key><value>Result-2-T </value></col></test><test><col><key>IE_ans1</key><value>x*(x-2*n)</value></col><col><key>PRT_PotResTree_Result</key><value>Result-2-F </value></col></test><test><col><key>IE_ans1</key><value>(x-2*n)</value></col><col><key>PRT_PotResTree_Result</key><value>Result-2-F </value></col></test></ItemTests></assessmentItem><assessmentItem version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:lom="http://www.imsglobal.org/xsd/imsmd_v1p2"><questionCasValues><questionStem type="CasText"><castext>Give an example of an odd function. #ans1# <IEfeedback>ans1</IEfeedback> <PRTfeedback>Result</PRTfeedback></castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionStem><questionVariables type="RawKeyVal"><rawKeyVals></rawKeyVals><forbidFloats>false</forbidFloats><simplify>true</simplify></questionVariables><workedSolution type="CasText"><castext>Remember, a function $f(x)$ is said to be {\em odd} if \[ f(x) = -f(-x) \] for all values of $x$. Hence, there are many examples which satisfy this definition, $\sin(x)$, $4*x^5$, and even $f(x)=0$.</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></workedSolution><questionNote type="CasText"><castext>.</castext><forbidFloats>false</forbidFloats><simplify>true</simplify></questionNote></questionCasValues><questionparts><questionpart><name>ans1</name><inputType type="Meta"><selection>Algebraic Input</selection><default>Algebraic Input</default><values/></inputType><boxsize>15</boxsize><teachersAns type="CasString"><casString>4*x^3</casString><forbidFloats>false</forbidFloats><simplify>true</simplify></teachersAns><studentAnsKey>ans1</studentAnsKey><syntax type="Meta"><selection></selection><default></default><values/></syntax><stackoption><name>formalSyntax</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>forbidFloats</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_NoFloats</casKey><casType>ex</casType><selected>true</selected></stackoption><stackoption><name>insertStars</name><type>list</type><default>false</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>false</selected></stackoption><stackoption><name>sameType</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey></casKey><casType></casType><selected>true</selected></stackoption><stackoption><name>lowestTerms</name><type>list</type><default>true</default><values><value>true</value><value>false</value></values><casKey>OPT_LowestTerms</casKey><casType>ex</casType><selected>true</selected></stackoption><inputTypesParameters/></questionpart></questionparts><PotentialResponseTrees><PotentialResponseTree><prtname>PotResTree_Result</prtname><questionValue>1</questionValue><autoSimplify>true</autoSimplify><feedbackVariables>p = ans1+subst(-x,x,ans1)</feedbackVariables><description type="Meta"><selection></selection><default></default><values/></description><PotentialResponses><PR id="0"><answerTest>AlgEquiv</answerTest><teachersAns>0</teachersAns><studentAns>p</studentAns><testoptions></testoptions><quietAnsTest></quietAnsTest><true><rawModMark>=</rawModMark><rawMark>1</rawMark><feedback></feedback><ansnote>Result-0-T </ansnote><nextPR>-1</nextPR></true><false><rawModMark>=</rawModMark><rawMark>0</rawMark><feedback>Your function should have a symmetry in the $y$ axis, but does not. </feedback><ansnote>Result-0-F </ansnote><nextPR>-1</nextPR></false><teacherNote></teacherNote></PR></PotentialResponses></PotentialResponseTree></PotentialResponseTrees><MetaData><dc:Publisher stackname="lastUserEditor" type="Meta"><selection>2</selection><default></default><values/></dc:Publisher><dc:language stackname="language" type="Meta"><selection>en</selection><default>en</default><values><value key="en">en</value><value key="fr">fr</value><value key="nl">nl</value><value key="es">es</value><value key="unspecified">Unspecified</value></values></dc:language><dc:title stackname="questionName" type="Meta"><selection>ce_oddf</selection><default></default><values/></dc:title><dc:description stackname="questionDescription" type="Meta"><selection>Give me an odd function</selection><default></default><values/></dc:description><dc:publisher stackname="questionPublisher" type="Meta"><selection></selection><default>http://localhost/stack-dev</default><values/></dc:publisher><dc:format stackname="questionFormat" type="Meta"><selection></selection><default>text/xml; charset="utf-8"</default><values><value key="0">application</value><value key="1">audio</value><value key="2">image</value><value key="3">message</value><value key="4">model</value><value key="5">text</value><value key="6">video</value><value key="7">multipart</value></values></dc:format><lom:context stackname="questionLearningContext" 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