Alg I: Simplifying and Solving

Write an expression to represent "2 more than a number"

• n + 2

• 2 > n

• n > 2

• 2n

Write an expression to represent "the product of 3 and x"

• 3 + x

• 3x

• 3 - x

• 3 ÷ x

Write an expression to represent "the quotient of z and -2"

• z - 2

• -2z

• (-2) ÷ z

• z ÷ (-2)

Write an expression to represent: "the sum of twice a number and 7"

• 2n + 7

• 2 (n + 7)

• (2 + n) + 7

• 2n(7)

• 2 + n (7)

Write an expression to represent "3 less than a number y"

• 3 - y

• 3 < y

• y - 3

• y ÷ 3

Write an expression to represent: "the product of 2 and a number, increased by 1"

• 2(n + 1)

• 2n + 1

• 2 + n + 1

• 2 + n(1)

Katherine has a coupon for 15% off. Which of the following expressions represents how much she will pay if the sticker price is p?

• p - 15

• .15p

• .85p

• 15p

Daniel scored three times as many points as Michael in a one-on-one basketball game. Write an expression for the number of points Daniel scored, in terms of M, the number of points Michael scored.

• 3M

• M ÷ 3

• 3 + M

• M - 3

It costs $0.50 per game to play a certain arcade game. If you play the game q times, how much money must you pay?

• 0.50 + q

• 0.50q

• q - 0.50

• 0.50 ÷ q

A charm bracelet costs $20 for the bracelet and $2 for each charm. Which expression represents the cost of a bracelet with c charms?

• 20c + 2

• 2c + 20

• 22c

• 22