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File: [LON-CAPA] / loncom / homework / templates / SimpleFormula.problem
Revision 1.4: download - view: text, annotated - select for diffs
Thu Aug 19 20:29:22 2004 UTC (19 years, 10 months ago) by albertel
Branches: MAIN
CVS tags: version_1_3_X, version_1_3_3, version_1_3_2, version_1_3_1, version_1_3_0, version_1_2_X, version_1_2_99_1, version_1_2_99_0, version_1_2_1, version_1_2_0, version_1_1_99_5, HEAD

- typo

    1: <problem>
    2: <script type="loncapa/perl">$z=&random(1,10,1);
    3: $constant=&random(1,10,1);
    4: # y=x+z-constant, solving for x, x=y-z+constant, prettyconstant is for simplifying
    5: $prettyconstant=$constant-$z;
    6: $x="y+$prettyconstant";
    7: # code below substitutes '+-' and '-+' for '-'.  This is used in display of answer
    8: $x=~s/\+-/-/g;
    9: $x=~s/-\+/-/g;</script>
   10: 
   11: <startouttext />If z=$z and y=x+z-$constant, what does x equal?  
   12: <endouttext />
   13: 
   14: <formularesponse samples="y@-5:5#10" answer="$x">
   15:     <responseparam description="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" />
   16:     <textline size="25" />    
   17: </formularesponse>
   18: 
   19: </problem>
   20:

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