Practice Problems: Convert Words to Algebraic Expressions

Which expression correctly translates "the sum of a number and seven, divided by two"?

• x + 7 / 2

• (x + 7) / 2

• 2 / (x + 7)

• 2x + 7

Which algebraic expression represents the phrase "the difference of three and twice a number"?

• 2x - 3

• 3 - 2x

• 3x - 2

• 2 - 3x

What is the correct algebraic expression for "5 times the difference of 9 and 2"?

• 5 * 9 - 2

• 5 - (9 * 2)

• 5 * (9 - 2)

• (5 * 9) - (5 * 2)

Translate the phrase "one third of five times a number" into an algebraic expression.

• 1/3 + 5x

• (5x) / 3

• 3 / (5x)

• 5x - 1/3