SOLUTION: What are rational expressions? How do we recognize that a statement is a rational expression?

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Question 221920: What are rational expressions? How do we recognize that a statement is a rational expression?
Answer by likaaka(51) About Me  (Show Source):
You can put this solution on YOUR website!
A rational expression is a fraction in which the numerator and/or the denominator are polynomials.
Here are some examples
6%2F%28x%2B1%29 %28x%5E2-1%29%2F%28x%5E2%2B5%29 %28x%5E2%2B18x%2B1%29%2F%28x%5E2-x-6%29