Expressions Test Review

Simplify the expression: 5y - 2 + 3y + 6

• 8y + 4

• 2y + 4

• 8y + 8

• none of the above

Which expression or expressions are equivalent to 3 - 7

• 3 + -7

• -3 + 7

• -3 - 7

• 3 + 7

• -4

Use the GCF (Greatest Common Factor) to factor this expression: 18a + 27b - 36

• (18a + 27b - 36)

• (9a + 13.5b - 18)

• (6a + 9b - 12)

• (3a + 4.5b - 6)

• 9(2a+3b-4)

Factor the expression: 36y - 18

• 18(2y - 1)

• -18(2y - 1)

• 18(2y + 1)

• -18(2y + 1)

Factor the algebraic expression: 5y + 25

Identify which of the following expressions are equivalent to -3(4x + 7)

• -12x - 21

• 3(-4x - 7)

• -12x + 21

• 12x + 21

Simplify the expression and combine like terms. 3(x + 4) - 5(x - 2)

Simplify the expression and combine like terms. 5(x - 2) + 3x + 7

• 8x - 3

• 8x + 7

• 8x - 10

• 5x + 7

Write an expression that represents the weight of an object that initially weighs 15 pounds and decreases by 0.3 pound per month m.

Which expression can be used to calculate the total cost of b books priced at $12.50 each and s notebooks priced at $3.75 each?

• 12.50b - 3.75s

• 3.75b + 12.50s

• 16.25(b + s)

• 12.50b + 3.75s