Simplifying Rational Expressions

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What is a rational expression?

Back

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

Tags

CCSS.HSA.APR.D.7

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What does it mean for a rational expression to be undefined?

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A rational expression is undefined when its denominator equals zero.

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CCSS.HSA.APR.D.7

Front

How do you find the values that make a rational expression undefined?

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

Tags

CCSS.HSA.APR.D.7

Front

What is the first step in simplifying a rational expression?

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Factor both the numerator and the denominator.

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CCSS.HSA.APR.D.6

Front

What is the result of canceling common factors in a rational expression?

Back

Canceling common factors simplifies the expression, reducing it to its lowest terms.

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 is the importance of factoring in simplifying rational expressions?

Back

Factoring allows you to identify and cancel common factors, simplifying the expression.

Tags

CCSS.HSA.APR.D.6