Chapter 7 Expressions Test Review

• 5 - 3

• 25 - 9

Which expression is equivalent to

p + p + q + q + q + r + r

• 2p +3q + 2r

• p + q + r

• 5p +2q + 2r

• 7p +q + r

Distribute.

4(x + 6)

• 4x + 6

• 24x + 4

• 4x + 24

• 4x + 4

Factor by the GCF.

16x + 4

• 4(x + 4)

• 4(4x + 1)

• 8x + 2

• 2(8x + 1)

Which expression is equivalent to 3x + 14 + 3x + 10

• 17x + 13 x

• 30x

• 6(x + 24)

• 6x + 24

What are the coefficients in this expression?

8y + 12x + 5y + 7

• 8y, 12x, 5y, and 7

• 8, 12, and 5

• x and y

• 7

• 9

• 18

• 41

• 81

Which expression is equivalent to 18x + 45?

• 9(5x + 2)

• 9(2x + 5)

• 3(2x + 15)

• 3(6x - 5)

Write the expression.

Add seven to the product of a number and ten

• 10(z + 7)

• 7 + z + 10

• 10z + 7

• 7z + 10z

Which expression is NOT equivalent to

8(3x + 4) + 18 + 6x?

• 24x + 32 + 18 + 6x

• 30x + 50

• 10(x + 5)

• 24x + 32