Expressions Review

What are the constants in this expression:

3x - 5y + 2 - 7

(Check all that apply)

• -7

• 7

• -5

• y

• 2

What are the coefficients in this expression:

3x - 5y + 2 - 7

(Check all that apply)

• 3

• x

• -5

• y

• 2

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

Evaluate the expression when
x =5    and   z = 4
z²  - 2x

• 6
• 2
• 17
• 26

twice h increased by 5

• 2 + h + 5
• h ∙ h + 5
• 5 ∙ h ∙ 2
• 2h + 5

triple the sum of x and 5

• 3 + x + 5
• 3 ∙ x + 5
• 3(x + 5)
• (3x) + 5

Factor 12x - 20

• 6(2x - 3)

• 4(3x - 5)

• 4x(3x - 5)

• 3(4x + 6)

Factor completely: 16 + 24x

• 8 ( 2 + 3x)

• 4 ( 4 + 7x)

• 8 ( 2 - 3x)

• 6 ( 4x + 3)

Expand and simplify 4(7x + 3).

• 28x + 12

• 28x + 3

• 47x + 12

• 47x + 3

-9(2g - 3)

• 18g + 27
• -18g + 27
• -18g - 27
• 18g - 27