Add, sub, mult, div rational expressions

Front

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

Front

What does it mean to simplify a rational expression?

Back

To simplify a rational expression means to reduce it to its lowest terms by canceling common factors in the numerator and denominator.

Tags

CCSS.HSA.APR.D.6

Front

How do you add rational expressions with the same denominator?

Back

Tags

CCSS.HSA.APR.D.7

Front

How do you add rational expressions with different denominators?

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To add rational expressions with different denominators, find a common denominator, convert each fraction, and then combine the numerators.

Tags

CCSS.HSA.APR.D.7

Front

What is the first step in solving an equation involving rational expressions?

Back

The first step is to identify any restrictions on the variable that would make the denominator zero.

Tags

CCSS.HSA.REI.A.2

Front

What does it mean to solve for x in a rational equation?

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To solve for x means to find the value(s) of x that make the equation true.

Tags

CCSS.HSA.REI.A.2

Front

What is the process for subtracting rational expressions?

Back

Subtract rational expressions by finding a common denominator, converting each fraction, and then subtracting the numerators.

Tags

CCSS.HSA.APR.D.7

Front

What is the result of multiplying two rational expressions?

Back

Tags

CCSS.HSA.APR.D.7

Front

What is the process for dividing rational expressions?

Back

Tags

CCSS.HSA.APR.D.6

Front

What is a common mistake when simplifying rational expressions?

Back

A common mistake is to cancel terms that are not factors of the numerator and denominator.

Tags

CCSS.HSA.APR.D.6