Expressions Review

Evaluate the expression.        Let    a = 4
5a + 7a - 8

• 48
• 28
• 40
• 35

Tags

CCSS.6.EE.A.2C

Which expression represents 10 less than half the number, n? 

• 10 - 2n
• 10 - 1/2n
• 2n - 10
• 1/2n - 10

Tags

CCSS.6.EE.A.2A

There are "w" wolves in a wolf pack.  On Monday and Thursday, all of the wolves were present.  On Tuesday, all wolves were present except for two.  On Wednesday 3 fewer wolves were present than on Tuesday.  On Friday, 4 wolves were missing.  How many wolves were missing on Wednesday? 

• w - 2
• w - 3
• w - 4
• w - 5

Tags

CCSS.6.EE.B.7

Which expression represents 
the quotient of the sum of 
30 and a number (a), 
divided by 12?  

• 30/a  + 12
• (30 + a) / 12
• 30/a ÷ 12
• 30a/ 12

Tags

CCSS.6.EE.A.2A

Factor:
12x + 9

• 3(4x + 3)
• x(12+9)
• 3(4x - 3)
• not factorable

Tags

CCSS.7.EE.A.1

Factor:
12x - 20

• 4x(3 - 5)
• 4(3x - 5)

Tags

CCSS.7.EE.A.1

Factor Completely:

-9u - 81

• 9(u + 9)

• -9(u - 9)

• -9(u + 9)

• -90u

Tags

CCSS.7.EE.A.1

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

Tags

CCSS.6.EE.A.3

What is the simplified version of this expression? $-4(8r+3)$  

•  $-32r-12$  

•  $32r-12$  

•  $-32r+12$  

•  $32r+12$  

Tags

CCSS.6.EE.A.3

Which expression represents the perimeter of the triangle?

• 4x + 4y + 5
• 6xy + 7
• 6x + 2y + 5
• 10xy + x + 2y

Tags

CCSS.HSA.APR.A.1