8th Grade Unit 2 Review

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

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

How many terms does this expression have?
-18y + 7yz - 4z

• -18
• 3
• 7
• -4

Simplify: 7t - 3t + t - 3t

• 2t

• 8t - 6t

• 14t

• Can't be simplified

Simplify: x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified

• x = -2

• x = 1

• x = 4

• x = -8

• x = -6

• x = 1

• x = -2

• x = 3

• x = 2

• x = -1

• x = 12

• x = 6

• x = -2

• x = -4

• x = 5

• x = 10

• x = 3

• x = 1

• x = -2

• x = -4

• m = 3

• m = -2

• m = -4

• m = 1