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This PG code shows a question whose answer is an inequality.

• File location in NPL: FortLewis/Authoring/Templates/Algebra/InequalityAnswer1.pg

PG problem file Explanation

Problem tagging:

DOCUMENT();

"PGstandard.pl",
"MathObjects.pl",
"contextInequalities.pl",
);

TEXT(beginproblem());


Initialization: We must load contextInequalities.pl.

Context("Inequalities-Only");

$a = random(3,9,1);$ineq = "-$a x \leq 10"; # TeX$answer = Compute("x >= -10 / $a");  Setup: We require students to use inequalities by using Context("Inequalities-Only"). If we had used Context("Inequalities") instead, then students could also enter their answer using interval notation. For more details, please see contextInequalities.pl.html Context()->texStrings; BEGIN_TEXT Solve the inequality $$\displaystyle ineq$$. Enter your answer using inequality notation.$BR
$BR \{ ans_rule(40) \} \{ AnswerFormatHelp("inequalities") \} END_TEXT Context()->normalStrings;  Main Text: $showPartialCorrectAnswers = 1;

ANS( $answer->cmp() );  Answer Evaluation: Context()->texStrings; BEGIN_SOLUTION${PAR}SOLUTION:\${PAR}
Solution explanation goes here.
END_SOLUTION
Context()->normalStrings;

COMMENT("MathObject version.");

ENDDOCUMENT();


Solution: