Unit 3 Reivew

Simplify by cancelling

• 1
• -1
• Can't be simplified

Tags

CCSS.HSA.APR.D.6

Simplify

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

Tags

CCSS.HSA.APR.D.6

Which of the following is equivalent?
(7-m)

• (m-7)
• -(m+7)
• -(7+m)
• -(m-7)

Tags

CCSS.7.EE.A.1

Simplify
(x²-49)/(x²+9x+14)

• (x-7)/(x+2)
• (x+7)/(x+2)
• (x-7)/(x-2)
• (x+7)/(x+2)

Tags

CCSS.HSA.APR.D.6

Simplify
(x²+6x+8)/(x²-x-6)

• (x+2)/(x-3)
• (x+4)/(x+2)
• (x+4)/(x-3)
• (x+2)/(x+2)

Tags

CCSS.HSA.APR.D.6

Simplify

(8x + 32)/( x+4)

• 8/(x - 4)

• -x/(x - 4)

• -8

• 8

Tags

CCSS.HSA.APR.D.6

What value(s) make the expression undefined?

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

Tags

CCSS.HSF-IF.C.7D

What values would make the following undefined?

• 12

• -12

• 1/12

• 0

Tags

CCSS.6.EE.A.2C

What are the restrictions of:    $\frac{c-5}{c+5}$  

•  $c\ne5$  

•  $c\ne-5$  

•  $c\ne5$  and  $c\ne-5$  

• (-5, 0)
  

Tags

CCSS.HSA.APR.D.7

CCSS.HSA.CED.A.3

What are the restrictions of:    $\frac{8x}{\left(x+4\right)\left(x-5\right)}$  

(Pick all that apply!)

•  $x\ne5$  

•  $x\ne-5$  

•  $x\ne0$  

•  $x\ne4$  

•  $x\ne-4$