Excluded Values in Rational Expressions

Front

What is an excluded value?

Back

A value that makes the denominator equal to 0.

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Back

x = 0 and x = 3.

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Back

x = 1.

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Back

x = -4 and x = 4.

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Back

n = 0.

Front

What happens if you substitute an excluded value into a rational expression?

Back

The expression becomes undefined.

Front

How do you find excluded values in a rational expression?

Back

Set the denominator equal to 0 and solve for the variable.

Front

What is the significance of excluded values in rational expressions?

Back

They indicate values that cannot be used in the expression as they make it undefined.

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Back

x = -2 and x = 2.

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Back

x = -3 and x = 3.