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Excluded Values for Rational Expressions

Excluding values that result in division by zero

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Algebra Rational Expressions
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    Excluded Values for Rational Expressions
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    Vocabulary

    Oblique Asymptote

    Oblique Asymptote

    An oblique asymptote is a diagonal line marking a specific range of values toward which the graph of a function may approach, but generally never reach. An oblique asymptote exists when the numerator of the function is exactly one degree greater than the denominator. An oblique asymptote may be found through long division.
    Rational Expression

    Rational Expression

    A rational expression is a fraction with polynomials in the numerator and the denominator.
    Vertical Asymptote

    Vertical Asymptote

    A vertical asymptote is a vertical line marking a specific value toward which the graph of a function may approach, but will never reach.

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