document.write( "Question 1183344: Determine the values for which the rational expression is undefined. \r
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Algebra.Com's Answer #813591 by Edwin McCravy(20059) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "A rational expression is undefined when its denominator equals to zero, so\r\n" );
document.write( "we set the denominator equal to zero and ignore the numerator.\r\n" );
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document.write( "Factor the left side\r\n" );
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document.write( "n + 5 = 0;   n - 2 = 0\r\n" );
document.write( "    n = -5       n = 2  <-- values of n for which the rational expression\r\n" );
document.write( "                            is undefined.     \r\n" );
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document.write( "Edwin

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