Simplify Rational Expressions

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What is 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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How do you simplify a rational expression?

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

Tags

CCSS.HSA.APR.D.6

Front

What does it mean to cancel in a rational expression?

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Canceling means removing common factors from the numerator and denominator to simplify the expression.

Tags

CCSS.HSA.APR.D.6

Front

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The first step is to check if the numerator and denominator can be factored.

Tags

CCSS.HSA.APR.D.6

Front

Back

Tags

CCSS.HSA.APR.D.6

Front

Back

Tags

CCSS.HSA.APR.D.6

Front

Back

Tags

CCSS.HSA.APR.D.6

Front

Back

Tags

CCSS.HSA.APR.D.6

Front

Back

Tags

CCSS.HSA.APR.D.6

Front

What does it mean if a rational expression cannot be simplified?

Back

It means there are no common factors in the numerator and denominator.

Tags

CCSS.HSA.APR.D.6