Problem8

Prep Main Page > Web Conference 2 > Sample Problems > Problem 8

This is Library/Utah/Business_Algebra/set2_Linear_Equations_and_Functions/p08.pg

DOCUMENT();

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

TEXT(beginproblem());
$showPartialCorrectAnswers = 1;

# output the text of the problem

$a = random(10,20,1);
$b = random(1,3,1);

TEXT(EV2(<<EOT));
Solve for \(x\): \( \sqrt{x-$a}-\sqrt{x}=-$b \)
$BR
Answer:  \(x\) = \{ans_rule(30)\}
EOT

$ans1 = ($a+$b**2)**2/(4*$b**2);
ANS(num_cmp($ans1));

ENDDOCUMENT();