Expressions Review

Which expression is equivalent to 2+y+y+y+y+y+3?

• 5y

• 5y + 5

• y + 5

• 2y + 5

Which expression is equivalent to the expression shown below?

−8x−2(5+4x)

• -16x - 10

• -4x - 10

• -14x

• -10

If x and y are integers, then

3(x+y)=3x+3y

is an example of which property?

• distributive property

• identity property of addition

• associative property of addition

• commutative property of addition

This expression is used to calculate the taxes on Marta’s monthly earnings, where c represents the commission on her sales.

1/3 (1,650 + 0.15c)

Which expression is equivalent?

• 550 + 0.05c

• 550 + 0.15c

• 1650 + .48c

• 4950 + .45c

Which expression is equivalent to

8s+20t

• 4 (2s + 5t)

• 4s (2 + 5t)

• 8 (s + 20t)

• 8s (1 + 3t)

Simplify the expression 

10−8x+2+4x

Factor the expression.

−12x+36

• 4 (3x +3)

• 12 (-x+3)

• 12 (x-3)

• 12 (-x-3)

Simplify the expression

5(3x+2)−4

(2x+7) - (4x+6)

• 2x + 1

• -2x + 1

• 6x + 13

• 6x + 1

Which expression is equivalent to

3 (4x + 10 ÷ 2 + 3)?

• 12x + 2

• 12x + 6

• 12x + 8

• 12x + 24