Dividing Rational Expressions Practice

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Define rational expression.

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A rational expression is a fraction where both the numerator and the denominator are polynomials.

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What is the restriction on the domain of a rational expression?

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The restriction on the domain is any value that makes the denominator equal to zero.

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@@rac{n+1}{n+4}, ext{ where } n e -9, -4, -5@@.

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What is the first step in dividing rational expressions?

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The first step is to multiply by the reciprocal of the second expression.

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What does it mean to simplify a rational expression?

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To simplify a rational expression means to reduce it to its lowest terms by factoring and canceling common factors.

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The restrictions are @@x e 6, -6, 5@@.

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How do you find the domain of a rational expression?

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To find the domain, set the denominator equal to zero and solve for the variable.

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