Unit 1 Review

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

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

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

Multiply:
(3x – 1)(x + 5) 

• 3x² + 4x + 5
• 3x² + 4x - 5
• 3x² + 14x + 5
• 3x² + 14x - 5

Simplify:
(x - 9)(x - 7)

• x² - 2x - 63
• x² - 16x - 63
• x² - 2x + 63
• x² - 16x + 63

What is the perimeter of the figure?

• 10x + 12

• 12x + 12

• 5x + 6

• 3x + 6

What is the perimeter of this figure?

• 33b + 24

• 21b + 24

• 3b - 8

• 33b - 8

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Solve for w:
-6w + 1 = -11

• 2
• 1.2
• 12
• -2

Translate: 
Four times a number plus six IS 30.

• 4 + 6 = 30
• 4x + 6 = 30
• x + 4 times 6 = 30
• 30 = 4x

Solve:
-8 + 5x - 2 = 20

• 6
• -6
• 2
• -2