Equivalent Expressions 6 Unit review

Which expression is equivalent to 3(x + 12)?

• 3 + x + 12

• 3x + 36

• 3x + 12

• 3x + 9

Which expression is equivalent to x • 32?

• (x • 16) + 16

• 8 + x • 24

• (x • 20) + (x • 12)

• (x • 3 • 2)

Which two expressions are equivalent?

• 5 + (3 • x) and (5 • 3) + x

• 12 – (4 • x) and (4 • x) – 12

• 6 + (x • 2) and 6 + (2 • x)

• (8 – 5) ÷ x and 8 – (5 ÷ x)

Which expression is equivalent to 4 + 2 • 8?

Which of these can be written as an equation?

• Four times 0.5 minus x

• Eighteen divided by y

• The product of x and 14

• Nine times x is 0.45

Mr. Gray wrote the expression x + 4 • x/3 on the board. Determine if the expressions are equivalent to the one Mr. Gray wrote?

• x + (4 ⋅ X ÷ 3)

• (x + 4 ⋅ x) ÷ 3

• 4 ⋅ x + x/3

• 4 + x ⋅ x/3

• -1

• -11

• 11

• 24

• 14 • 9 – 7

• 6 + 54 – 6

• 6 + 72 – 6

• 30 – 7

• 6 + 6 • 9 – 6

Which of the following is equivalent to the expression 9x + 12?

• 12 + 4x + x

• 3(3x) + 3(4)

• 3x + 3x + 12

• 6x + 9 + 2x