##DESCRIPTION
##  Algebra problem: true or false for inequality 
##ENDDESCRIPTION

##KEYWORDS('algebra', 'inequality', 'fraction')

## DBsubject('Algebra')
## DBchapter('Fundamentals')
## DBsection('Real Numbers')
## Date('6/3/2002')
## Author('')
## Institution('')
## TitleText1('Precalculus')
## EditionText1('3')
## AuthorText1('Stewart, Redlin, Watson')
## Section1('1.1')
## Problem1('22')

########################################################################

DOCUMENT();      

loadMacros(
   "PGstandard.pl",     # Standard macros for PG language
   "MathObjects.pl",
   #"source.pl",        # allows code to be displayed on certain sites.
   #"PGcourse.pl",      # Customization file for the course
);

# Print problem number and point value (weight) for the problem
TEXT(beginproblem());

# Show which answers are correct and which ones are incorrect
$showPartialCorrectAnswers = 1;

##############################################################
#
#  Setup
#
#
Context("Matrix");
Context()->constants->add(a=>Real(1));
Context()->flags->set(formatStudentAnswer=>'parsed');

$A = Matrix(
[1,2],
[3,4]
);
$B = Matrix(
[x,2],
[3,4]
);
$Amultiply = $A*5;
$Bmultiply = $B*5;

#$Atranspose = $A->transpose;
#$Btranspose = $B->transpose;

##############################################################
#
#  Text
#
#

Context()->texStrings;
BEGIN_TEXT
\(5$A = \)\{$Amultiply->ans_array()\} \($Amultiply\)
$PAR
\(5$B = \)\{$Bmultiply->ans_array()\} \($Bmultiply\)
$PAR
$PAR

END_TEXT
Context()->normalStrings;

##############################################################
#
#  Answers
#
#

ANS(
$Amultiply->cmp,
$Bmultiply->cmp
);


ENDDOCUMENT();