File:
[LON-CAPA] /
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homework /
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SimpleMathResponse.problem
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1.2:
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Thu Sep 25 01:50:47 2008 UTC (15 years, 10 months ago) by
raeburn
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CVS tags:
version_2_9_X,
version_2_9_1,
version_2_9_0,
version_2_8_X,
version_2_8_99_1,
version_2_8_99_0,
version_2_8_2,
version_2_8_1,
version_2_8_0,
version_2_7_X,
version_2_7_99_1,
version_2_7_99_0,
version_2_7_1,
bz5969,
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GCI_2,
GCI_1,
BZ5971-printing-apage,
BZ5434-fox
typo
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 | $y). The slope is not given explicitly, so there are different possibilities for this function.";
13: </script>
14:
15: <startouttext />
16: State a function y(x) with constant slope which passes through the point ($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:
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