Simplifying expressions

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40
• 42
• 44
• 46

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

If x = 5, find the value of 7x-1.

• 34
• 36
• 35
• 37

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

If y = 7, find the value of 2(y+4).

• 11
• 22
• 20
• 12

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Simplify
 $-4\left(2d+3b\right)$  
When b = -9 and d = -6

• 0

• 144

• -144

• 156

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Simplify
 $9c+5z+2$  
When c = -9 and z = 9

• 128

• -124

• -34

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Simplify
 $5+3b-9d$  
When b = -7 and d = 7

• -79

• -89

• 42

• 37

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

Tags

CCSS.6.EE.A.2

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

What is the simplified version of this expression?  $9\left(-5x+8\right)$  

•  $45x-72$  

•  $45x+72$  

•  $-45x-72$  

•  $-45x+72$  

Tags

CCSS.6.EE.A.3

• 35x+7
• 35x-1
• 35x-7
• -35x-7

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4