Simplifying Expressions - Quick Review

Simplify the following:
 $-8+\left(15-3\right)\div4$  

• - 5

• 1

• - 11

• 11

Tags

CCSS.7.NS.A.3

Simplify the following:
 $5^2-7\cdot4+3$  

• 15

• 75

• -15

• 0

Tags

CCSS.6.EE.A.1

Evaluate when a = 15:
 $2\left(a-5\right)+2$  

• 22

• 27

• 14

• 7

Tags

CCSS.6.EE.A.2C

Evaluate expression when

x = 7, y = 15, z = 8

9y ÷ (2x+1)

• 9

• 3

• 34

• 15

Tags

CCSS.6.EE.A.2C

Simplify the following expression:

 $\left(5+4x\right)+\left(2x-8\right)$  

• 3x

• 6x - 3

• 6x - 13

• 6x + 3

Tags

CCSS.7.EE.A.1

Combine like terms

 $2x+3x+3y-7y$  

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

Tags

CCSS.7.EE.A.1

y + x + y + y + x 

• 2 + 3 
• x + y 
• 2x + 3y 
• 5xy 

Tags

CCSS.7.EE.A.1

6x + 1 + 7x 

• 13x - 1
• 14x 
• 7x + 6x + 1 
• 13x + 1 

Tags

CCSS.7.EE.A.1

6x + 2x 

• 8x 
• 12x 
• 8 
• 12 

Tags

CCSS.7.EE.A.1

3 + 5x + 4

• 5x ∙ 7 
• 12x 
• 35x 
• 5x + 7 

Tags

CCSS.7.EE.A.1