Problem6

Prep Main Page > Web Conference 2 > Sample Problems > Problem 6

This is Library/maCalcDB/setAlgebra06EqnGraphs/srw1_8_39.pg

DOCUMENT();

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

TEXT(beginproblem());

$showPartialCorrectAnswers = 1;

$a1 = random(-6,6,2);
$y1 = 2*$a1+3;
$a2 = random(-5,5,2);
$y2 = 2*$a2+3;
$a3 = random(-6,6,1);
$y3 = 2*$a3+2;
$a4 = random(-1,6,1);
$y4 = 2*$a4-2;

BEGIN_TEXT
Determine whether the given points are on the graph of \(y=2x+3\).
Enter $BITALIC Yes $EITALIC or $BITALIC No $EITALIC for
your answers: $BR
Is ($a1,$y1) on the graph? \{ans_rule(15)\} $BR
Is ($a2,$y2) on the graph? \{ans_rule(15)\} $BR
Is ($a3,$y3) on the graph? \{ans_rule(15)\} $BR
Is ($a4,$y4) on the graph? \{ans_rule(15)\} $BR
$BR
END_TEXT

$ans1 = "Yes";
$ans2 = "Yes";
$ans3 = "No";
$ans4 = "No";

ANS(str_cmp($ans1));
ANS(str_cmp($ans2));
ANS(str_cmp($ans3));
ANS(str_cmp($ans4));

ENDDOCUMENT();