Expressions Review

Write an expression for the phrase:

You have $3 more than twice the amount of money (m) your friend has.

• 3m + 2

• 3(m + 2)

• 2m + 3

• 3 + 2 + m

The price of nails, n, is $1.29 per pound. The price of washers, w, is $0.79 per pound. The price of bolts, b, is $2.39 per pound.

Which expression represents the total price of the supplies?

• 1.29 + n + 0.79 + w + 2.39 + b

• 1.29n + 0.79w + 2.39b

• (1.29 + n)(0.79 + w)(2.39 + b)

• 4.47(n + w + b)

Evaluate the expression.

 $18+5x$ for  $x=-3$  

• -3

• 3

• 20

• 33

Evaluate the expression.

 $-6x+15$  for  $x=-1$  

• 8

• 9

• 21

• -9

• 11p

• -10p + 11

• -5p + 6

• -5p - 6

• -7 + 6r

• 3 - 12r

• -7 - 12r

• 6r + 3

Simplify the expression using the distributive property.

• -2x + 16

• -2x - 16

• x - 16

• -16x

Factor the expression using the GCF.

• 4(6x + 4)

• 6(4x + 6)

• 12(2x + 3)

• 2(12x + 18)

• 9.1c - 4.7

• 1.3c + 10

• 1.3c - 4.7

• 9.1c + 10

• 14x - 11y

• -2x + 7y - 10

• -2x - 11y

• 14x - 11y - 10