## DESCRIPTION
## Calculus
## ENDDESCRIPTION

## KEYWORDS('numbers', 'complex')
## Tagged by YL

## DBsubject('Calculus')
## DBchapter('Complex Numbers')
## DBsection('Complex')
## Date('')
## Author('')
## Institution('ASU')
## TitleText1('Calculus')
## EditionText1('5e')
## AuthorText1('Stewart')
## Section1('')
## Problem1('')

DOCUMENT();        # This should be the first executable line in the problem.

loadMacros(
"PG.pl",
"PGbasicmacros.pl",
"PGchoicemacros.pl",
"PGanswermacros.pl",
"PGauxiliaryFunctions.pl",
"PGasu.pl"
);

TEXT(beginproblem());

#
# Now we do the randomization of variables, and other computations
# as needed for this problem.  Sometimes we compute the answers here.
#

$a = random(1,9);
$b = random(-3,2);

$ans1 = ($a+$b)/2;

#
# Now the problem text itself, with ans_rule's to indicate where the
# answers go.  You can stop entering text, do more computations, and then
# start up again if you want.
#

BEGIN_TEXT
What is the average of $a and $b?
	$PAR
	Average = \{ans_rule(40)\}
END_TEXT

#
# Tell WeBWork how to test if answers are right.  These should come in the
# same order as the answer blanks above.  You tell WeBWork both the type of
# "answer evaluator" to use, and the correct answer.
#

ANS(num_cmp($ans1));

ENDDOCUMENT();        # This should be the last executable line in the problem.