Multiplying and Dividing Rational Expressions.

Front

Define a rational expression.

Back

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

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What is the first step in multiplying rational expressions?

Back

Factor all polynomials in the numerators and denominators.

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What is the rule for dividing rational expressions?

Back

To divide rational expressions, multiply by the reciprocal of the divisor.

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What is the importance of canceling common factors in rational expressions?

Back

Canceling common factors simplifies the expression and makes calculations easier.

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What does it mean to simplify a rational expression?

Back

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

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What is a common mistake when multiplying rational expressions?

Back

A common mistake is forgetting to factor the polynomials before multiplying.