Unit 1 Test

the difference of 3 times a number and 7

• 3 - 7n
• 3n - 7
• 3n + 7 
• 3 / 7n

a number more than 12

• n + 12
• 12n 
• 12 + n 
• 12 - n 

The quotient of a 15 and a number plus 1

• 15 / g - 1
• 15 / g + 1
• g / 15 + 1
• g + 1 / 15 

What is 3x+(5+y) if x=2 and y=7?

• 18
• 28
• 8
• 3

Evaluate the expression if m = -7 and n = 4:

5m + 9n

• 71

• 1

• -1

• -71

Evaluate if w = -4

-7w² + 2w

• 104

• -64

• -120

• 120

Evaluate bc + 5a

when a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42
• 46
• 34
• 58

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z
• -x +10y - 10z
• x -10y - 10z
• -x -10y - 10z

Add the polynomials.
(2x + 5y) + (3x - 2y)

• 3x + 5y
• 5x + 3y
• 5x + 7y
• 7xy + 1xy