FormulaAnswer1

Answer is a Number or a Formula - Try it out

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This PG code shows how to write a question whose answer is a number or a formula.

• PGML location in OPL: FortLewis/Authoring/Templates/Misc/FormulaAnswer1_PGML.pg

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PG problem file	Explanation
Problem tagging data	Problem tagging:
DOCUMENT(); loadMacros('PGstandard.pl','MathObjects.pl','PGML.pl','PGcourse.pl'); TEXT(beginproblem());	Initialization:
Context('Numeric'); $a = non_zero_random(-9,9,1); do { $b = random(2,9,1); } until ( $b != $a ); $answer1 = Compute("$a"); $answer2 = Compute("$a x^($b) + $b")->reduce();	Setup: We use do { $b = random(2,9,1); } until ( $b != $a ); to generate distinct random numbers.
BEGIN_PGML Enter [`[$answer1]`]: [____]{$answer1} [@ helpLink('number') @]* Enter [`[$answer2]`]: [____]{$answer2} [@ helpLink('formula') @]* END_PGML	Main Text: The helpLink command show some additional help for entering values.
BEGIN_PGML_SOLUTION Solution explanation goes here. END_PGML_SOLUTION ENDDOCUMENT();	Solution:

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