Unit 4 Rational Expressions Test Review

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CCSS.HSA.APR.D.6

Division of rational expressions is the same as multiplication by the reciprocal.

• True

• False

• Sometimes true

• Only for certain expressions

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CCSS.HSA.APR.D.6

For what values of x is  $\frac{6x+4}{\left(x-4\right)\left(x+5\right)}$  undefined?

• x= 4 and x= 5

• x = 4 and x = -5

• x = -4 and x = 5

• x = 1  and x = -1

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CCSS.HSF-IF.C.7D

• -2
• 2
• -6
• -3

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CCSS.HSA.APR.D.7

• x = - 3 and x = 4
• x = 3 and x = - 4
• x = 3 only
• x = - 4 only

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CCSS.HSF-IF.C.7D

• (x-9)/(x+9)
• 1/(x-9)
• (x+9)
• 1/(x+9)

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CCSS.HSA.APR.D.6

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CCSS.HSA.APR.D.7

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CCSS.HSA.APR.D.6

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CCSS.HSA.APR.D.7

• 1

• -1

• Can't be simplified

• 0

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CCSS.HSA.APR.D.6