View of /trunk/NationalProblemLibrary/Rochester/setAlgebra01RealNumbers/sw1_2_9.pg

    1 ##DESCRIPTION
    2 ##   Evaluation of a simple algebraic expression
    3 ##ENDDESCRIPTION
    4 
    5 ##KEYWORDS('algebra')
    6 ## hcao tagged and PAID on 12-12-2003
    7 
    8 ## DBsubject('Algebra')
    9 ## DBchapter('Basic Algebra')
   10 ## DBsection('Real Numbers')
   11 ## Date('6/3/2002')
   12 ## Author('')
   13 ## Institution('')
   14 ## TitleText1('College Algebra')
   15 ## EditionText1('3')
   16 ## AuthorText1('Stewart, Redlin, Watson')
   17 ## Section1('1.2')
   18 ## Problem1('9')
   19 DOCUMENT();        # This should be the first executable line in the problem.
   20 
   21 loadMacros(
   22 "PG.pl",
   23 "PGbasicmacros.pl",
   24 "PGchoicemacros.pl",
   25 "PGanswermacros.pl",
   26 "PGauxiliaryFunctions.pl"
   27 );
   28 
   29 TEXT(beginproblem());
   30 
   31 $a = random(2,15,1);
   32 $b = random(3,16,2);
   33 
   34 TEXT(EV2(<<EOT));
   35 Use the properties of real numbers to write the expression
   36  \[$a($b m) \]
   37 in the form of
   38 \[A\cdot m.\]
   39 The number \(A=\)\{ ans_rule(5) \}
   40 $BR
   41 EOT
   42 
   43 $answer = $a*$b;
   44 
   45 ANS(num_cmp($answer, mode=>"strict"));
   46 
   47 ENDDOCUMENT();        # This should be the last executable line in the problem.