ch 4 review flashcardizz #2

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Back

Front

Back

Front

Back

Front

Back

Front

Back

Front

Define a rational expression.

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

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What is the process of simplifying a rational expression?

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To simplify a rational expression, factor both the numerator and the denominator and cancel any common factors.

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What does it mean to find the least common denominator (LCD)?

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The least common denominator is the smallest expression that can be used as a common denominator for two or more fractions.

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What is the difference between a polynomial and a rational expression?

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A polynomial is an expression made up of variables and coefficients, while a rational expression is a ratio of two polynomials.

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What is the significance of restrictions in rational expressions?

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Restrictions indicate values that make the denominator zero, which are not allowed in the domain of the expression.