Difference between revisions of "FormulaAnswer1"

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(Created page with '<h2>Answer is a Number or a Formula</h2> <p style="background-color:#eeeeee;border:black solid 1px;padding:3px;"> This PG code shows how to write a question whose answer is a nu…')
 
Line 66: Line 66:
 
Context("Numeric");
 
Context("Numeric");
   
$a = random(2,9,1);
+
$a = non_zero_random(-9,9,1);
 
do { $b = random(2,9,1); } until ( $b != $a );
 
do { $b = random(2,9,1); } until ( $b != $a );
   
 
$answer1 = Compute("$a");
 
$answer1 = Compute("$a");
$answer2 = Compute("$a x + $b");
+
$answer2 = Compute("$a x^($b) + $b");
 
</pre>
 
</pre>
 
</td>
 
</td>
Line 76: Line 76:
 
<p>
 
<p>
 
<b>Setup:</b>
 
<b>Setup:</b>
  +
We use <code>do { $b = random(2,9,1); } until ( $b != $a );</code> to generate distinct random numbers.
 
</p>
 
</p>
 
</td>
 
</td>

Revision as of 16:44, 1 December 2010

Answer is a Number or a Formula

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

  • Download file: File:FormulaAnswer1.txt (change the file extension from txt to pg when you save it)
  • File location in NPL: NationalProblemLibrary/FortLewis/Authoring/Templates/Misc/FormulaAnswer1.pg

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");

$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");

Setup: We use do { $b = random(2,9,1); } until ( $b != $a ); to generate distinct random numbers.

Context()->texStrings;
BEGIN_TEXT
Enter \( $answer1 \): 
\{ ans_rule(20) \}
\{ AnswerFormatHelp("numbers") \}
$BR
$BR
Enter \( $answer2 \): 
\{ ans_rule(20) \}
\{ AnswerFormatHelp("formulas") \}
END_TEXT
Context()->normalStrings;

Main Text:

$showPartialCorrectAnswers = 1;

ANS( $answer1->cmp() );
ANS( $answer2->cmp() );

Answer Evaluation:

Context()->texStrings;
BEGIN_SOLUTION
${PAR}SOLUTION:${PAR}
Solution explanation goes here.
END_SOLUTION
Context()->normalStrings;

COMMENT('MathObject version.');

ENDDOCUMENT();

Solution:

Templates by Subject Area