3.4 Extended Practice: Algebraic Expressions

Which of the expressions is equivalent to: 5(m - 2)?

• 5m - 5

Choose the expression that is equivalent to: 9(3 + n)

Choose the expression that is equivalent to: 5m + 25

• 30m

• 8 ÷ x

• x + 8

• 8x

• 7 ÷ 5x

• 7 ÷ x + 5

• 7 ÷ (x + 5)

• 9 + 13 ÷ 3m

• 13 ÷ (m – 3)

• 13 ÷ (3 – m)

Which option represents the perimeter of the triangle?

• n + 7

• 7 · n + n

• n + n + 7

Which expression below best describes the perimeter of the rectangle below?

• 2m + 18

• 2(m + 4) + 2(14)

• 4m + 16

Which expression represents the area of the rectangle below?

• 4 + (x - 6)

• x - 2

• 4 · (x - 6)