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# View of /trunk/NationalProblemLibrary/ASU-topics/setLinesInPlane/srw1_10_7.pg

Sat Jan 14 02:13:08 2006 UTC (7 years, 4 months ago) by jj
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```New problems for the library.
```

```    1 ## DESCRIPTION
2 ## Algebra
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS('Algebra', 'lines')
6 ## Tagged by LD
7
8 ## DBsubject('Algebra')
9 ## DBchapter('equations')
10 ## DBsection('linear')
11 ## Date('')
12 ## Author('')
13 ## Institution('ASU')
14 ## TitleText1('')
15 ## EditionText1('')
16 ## AuthorText1('')
17 ## Section1('')
18 ## Problem1('')
19
20 DOCUMENT();        # This should be the first executable line in the problem.
21
23 "PG.pl",
24 "PGbasicmacros.pl",
25 "PGchoicemacros.pl",
27 "PGauxiliaryFunctions.pl"
28 );
29
30 TEXT(&beginproblem);
32
33 \$x1 = random(5,8,1);
34 \$y1 = random(2,7,1);
35 \$m1 = random(2,5,1);
36
37 TEXT(EV2(<<EOT));
38 The equation of the line with slope \(\$m1 \) that goes through the point
39 \( ( \$x1 ,\$y1 ) \) can be written in the form \( y = mx+b \) where
40 \$PAR
41  \( m = \)  \{ans_rule(20) \}
42 \$BR
43 EOT
44
45 \$ans = \$m1;
46 &ANS(std_num_cmp(\$ans));
47
48 TEXT(EV2(<<EOT));
49  \( b = \)  \{ans_rule(20) \}
50 \$BR
51 EOT
52
53 \$ans = \$y1 -\$m1*\$x1;
54 &ANS(std_num_cmp(\$ans));
55
56 ENDDOCUMENT();        # This should be the last executable line in the problem.
```