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Bug #5369: simpler template for mathresponse

    1: <problem>
    2: <script type="loncapa/perl">
    3: $x = &random(-1,1,2) * &random(1,5,1);
    4: $y = &random(-1,1,2) * &random(1,3,1);
    5: @args = ($x, $y);
    6: $yaa = $y-3*$x;
    7: if ($yaa > 0) {
    8:   $yaa = "+" . $yaa;
    9: } elsif ($yaa == 0) {
   10:   $yaa = "";
   11: }
   12: $example = "3x$yaa is an example for a function having constant slope which passes through the point ($x | $y). The slope is not given explicitely, so there are different possibilities for this function.";
   13: </script>
   14: 
   15: <startouttext />
   16: State a function y(x) with constant slope which passes through the point ($x | $y).<br />
   17: <br />
   18: y(x) =
   19: <endouttext />
   20: 
   21: <mathresponse answerdisplay="$example" cas="maxima" args="@args">
   22: 
   23: <answer>
   24: y(x):=RESPONSE[1];
   25: hitspoint:is(abs(y(LONCAPALIST[1]) - LONCAPALIST[2]) <= 0.000000001);
   26: islinear:is(diff(y(x),x,2) = 0);
   27: hitspoint and islinear;
   28: </answer>
   29: 
   30: <textline readonly="no" size="50" />
   31: </mathresponse>
   32: 
   33: </problem>
   34: