Return to SimpleFormula.problem CVS log

Up to [LON-CAPA] / loncom / homework / templates

Annotation of loncom/homework/templates/SimpleFormula.problem, revision 1.3

1.2       albertel    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-$constant, what does x equal?  
                     12: <endouttext />
                     13: 
1.3     ! albertel   14: <formularesponse samples="y@-5:5#10" answer="$x">
1.2       albertel   15:     <responseparam decription="Numerical Tolerance" type="tolerance" default="0.00001" name="tol" />
                     16:     <textline size="25" />    
                     17: </formularesponse>
                     18: 
                     19: </problem>
1.1       albertel   20: