version 1.1, 2007/07/06 17:32:41
|
version 1.2, 2009/07/06 17:12:47
|
Line 1
|
Line 1
|
<problem> |
<problem> |
<script type="loncapa/perl"> |
|
|
<script type="loncapa/perl"> |
$a = &random(1,7,1); |
$a = &random(1,7,1); |
$b = $a*$a; |
$b = $a*$a; |
</script> |
</script> |
<startouttext /> |
|
|
<startouttext /> |
What are the factors of |
What are the factors of |
<m eval="on">$x^2 - $b$</m>? |
<m eval="on">$x^2 - $b$</m>? |
<endouttext /> |
<endouttext /> |
<formularesponse> |
|
<answergroup type="ordered"> |
<formularesponse> |
<answer name="both" type="unordered"> |
<answergroup type="ordered"> |
<value>x-$a</value><value>x+$a</value> |
<answer name="both" type="unordered"> |
</answer> |
<value>x-$a</value><value>x+$a</value> |
</answergroup> |
</answer> |
<textline readonly="no" size="10" /> |
</answergroup> |
<textline readonly="no" size="10" /> |
<textline readonly="no" size="10" /> |
</formularesponse> |
<textline readonly="no" size="10" /> |
|
</formularesponse> |
|
|
</problem> |
</problem> |