Chapter 6 - Expressions

Write an algebraic expression for the phrase:

32 dollars less than Sadie earned.

• $30 - S

• $32 - S

• S - $32

• S - $33

Write an algebraic expression for the phrase:

5.3 times as many yards.

• 5.3y

• 5.3 + y

• 5.3 - y

• 5.3 ÷ y

Which expression is equivalent to

5 + 4² × 2

• 20 × 2

• 9² × 3

• 5 + 7²

• 5 + 32

At a state fair, each person pays $7 for admission plus $3 for each ride. While at the fair, Evan goes on 4 rides. Write an expression that can be used to find the total amount Evan spends.

• ($7 × 4) + $3

• ($7 × $3) + 4

• $3 × ($7 + 4)

• $7 + ($3 × 4)

Which of the following illustrates the distributive property?

• 3(2x + 4) = 5x + 4

• 3(2x + 4) = 6x + 4

• 3(2x + 4) = 5x + 7

• 3(2x + 4) = 6x + 12

Use the distributive property to rewrite the algebraic expression.

3(y + 7)

• 24 + 3y

• 3y + 24

• 21 + 3y

• 3y + 21

Use the distributive property to rewrite the algebraic expression.

• 20 + 5k

• 5k + 25

• 9 + 5k

• 5k + 9

Use the distributive property to rewrite the algebraic expression.

2(e + 9)

• 2 + 18e

• 11 + 2e

• 2e + 11

• 2e + 18

Use the distributive property to rewrite the algebraic expression.

3(x + 1.4)

• 3x + 4.2

• 3x + 4.3

• 4.3x + 3

• 4.2x + 3

Simplify the expression.

3x + 4x + 9x

• 17x

• 16x

• 108x

• 15x