Rational Expressions Flashcard

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Front

Back

Front

Back

Front

Back

Front

Back

Front

What is a rational expression?

Back

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

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How do you find the least common denominator (LCD) of two rational expressions?

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To find the LCD, factor each denominator and take the highest power of each factor that appears.

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What is the process for adding rational expressions?

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To add rational expressions, find a common denominator, rewrite each fraction with the common denominator, and then combine the numerators.

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What does it mean for a rational expression to be in simplest form?

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A rational expression is in simplest form when the numerator and denominator have no common factors other than 1.

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How do you determine the vertical asymptotes of a rational function?

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Vertical asymptotes occur at the values of x that make the denominator zero, provided those values do not also make the numerator zero.