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April 23, 2014

April 23, 2014

Posted by **thresea** on Wednesday, October 5, 2011 at 12:18am.

- algebra -
**Steve**, Wednesday, October 5, 2011 at 5:25ama rational expression is a fraction where the numerator and denominator are polynomials, such as the example above.

The reason for being careful about the denominator is that if it is zero, the fraction is undefined.

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