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

    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 
   22 loadMacros(
   23 "PG.pl",
   24 "PGbasicmacros.pl",
   25 "PGchoicemacros.pl",
   26 "PGanswermacros.pl",
   27 "PGauxiliaryFunctions.pl"
   28 );
   29 
   30 TEXT(&beginproblem);
   31 $showPartialCorrectAnswers = 1;
   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.