8th Grade Unit 3 Test Review

Solve for x:
2x + 5 = 12

• 7
• 3
• 3.5
• 8.5

Tags

CCSS.7.EE.B.4A

Solve for x: 
4x + 1 = 7x - 5

• -1
• 2
• 6/11
• 8

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for x:
6(2x + 1) = 18

• 3
• 17/12
• 1
• 2

Tags

CCSS.7.EE.B.4A

Solve for x:
2(3x + 4) + 2 = 4 + 3x

• 2
• -2/3
• 10
• -2

Tags

CCSS.8.EE.C.7B

Solve for x:
10 = 3x -12

• 22/3
• 2/3
• 10/9
• 8

Tags

CCSS.7.EE.B.4A

Solve for x:
7 - 2(10x + 1) = 25

• 2/5
• 2
• 1
• -1

Tags

CCSS.8.EE.C.7B

Solve for x:
8x + 2 + 3x + 5 = x + 12

• -1/2
• 2
• -2
• 1/2

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Solve for x:
3(5x + 10) + 10 = 6x - (x + 10)

• 3
• -3
• -5
• 5

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.A.2

CCSS.6.EE.A.3

What is the solution to this equation?

• one solution
• no solution
• infinite solutions
• none of these

Tags

CCSS.8.EE.C.7A

What is the definition of one solution?

• no matter what constant is substituted in for the variable, the equation is ALWAYS true
• no matter what constant is substituted in for the variable, the equation will NEVER be true
• only this ONE solution will make the equation true

Tags

CCSS.8.EE.C.7A