PeriodicAnswers1

From WeBWorK_wiki
Jump to navigation Jump to search
This article has been retained as a historical document. It is not up-to-date and the formatting may be lacking. Use the information herein with caution.

This problem has been replaced with a newer version of this problem


Periodic Answers

Click to enlarge

This PG code shows how to check student answers that are periodic.


Templates by Subject Area

PG problem file Explanation

Problem tagging data

Problem tagging:

DOCUMENT();

loadMacros(
"PGstandard.pl",
"MathObjects.pl",
"AnswerFormatHelp.pl",
);

TEXT(beginproblem());

Initialization:

Context("Numeric");

$answer = Real("pi/2")->with(period=>pi);

Setup: This is self-explanatory.

Context()->texStrings;
BEGIN_TEXT
Enter a solution to \( \cos(\theta) = 0 \).
$BR
$BR
\( \theta = \)
\{ ans_rule(10) \}
\{ AnswerFormatHelp("angles") \}
END_TEXT
Context()->normalStrings;

Main Text:

$showPartialCorrectAnswers = 1;

ANS( $answer->cmp() );

Answer Evaluation:


Context()->texStrings;
BEGIN_SOLUTION
The cosine of an angle is zero when 
the angle is an integer multiple of \( \pi \).
END_SOLUTION
Context()->normalStrings;

ENDDOCUMENT();

Solution:

Templates by Subject Area