Unit 10 - Simplifying Equations, System of Equ., and y = mx + b

Evaluate expression: -5a - b
when a= -6 and b= 3

• 33
• 30
• 27
• 24

Tags

CCSS.6.EE.A.2C

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

Use the distributive property and combine the like terms to create an equivalent expression of:
8c + 9(c  + 2)

• 17c + 16
• 8c + 16
• 17c + 2
• 17c + 18

Tags

CCSS.6.EE.A.3

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

CCSS.7.EE.B.4A

What is an equivalent expression to
15x - 24y = 3 ( ____ -  ____)

• 3( 5 - 8x )
• 3( 5x - 8 )
• 3( 5x - 8y )
• 3( 5y - 8x )

Which number can be inserted into the blank to make the expression true? 
70m - 42a = _____ (10m - 6a)

• 10
• 7
• 6
• 8

 Which expression is equivalent to 3(5 + 4)

• 3(5) + 3(4)
• 3(5) + 4
• 3(5) + 3
• 3(54)

Tags

CCSS.7.NS.A.1D

4(x + 2) + 6x

• 4x + 2 + 6x
• 4x + 8 + 6x
• 10x + 8
• 10x + 2

Tags

CCSS.6.EE.A.3

5x + 8y - 3x - 15y

• 2x - 7y
• 8x + 23y
• 8x - 23y
• 2x + 7y

Tags

CCSS.7.EE.A.1

-4(2x - 5) + 3(x + 2) 

• 5x - 26
• -5x + 26
• -5x + 22
• -3x + 26

Tags

CCSS.6.EE.A.3