Module 9 Vocabulary

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Rational Expression

Back

A ratio of two polynomial expressions

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Complex Fraction

Back

A rational expression with a numerator and/or denominator that is also a rational expression.

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Reciprocal Function

Back

Has an equation of the form f(x)=n/b(x), where n is a real number and b(x) is a linear expression that cannot equal 0.

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Rational Function

Back

Has an equation of the form f(x)=a(x)/b(x), where a(x) and b(x) are polynomial functions and b(x)≠0.

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Point discontinuity

Back

A hole in a graph where the function is undefined.

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Excluded values

Back

Values for which the denominator is equal to zero or undefined.

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Least Common Multiple (LCM)

Back

The smallest positive number that is a product of two or more numbers.

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Leading Coefficient

Back

Coefficient of the term containing the highest degree.

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Extraneous Values

Back

Solutions of a polynomial that when substituted back in do not work.

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Degree of a polynomial

Back

The highest exponential power found in a polynomial.