Georgie Milesstones - Expressions and Equations

Which expression is equivalent to –7(y – 2)?

• –7y – 2

• –7y + 2

• –7y – 14

• –7y + 14

A furniture store sells kits that customers use to build cabinets. Each kit contains 18 screws and a set number of boards.

Part A

Jarred buys 6 of these kits and has a total of 192 screws and boards.

Which equation represents the situation?

• 6x + 18 = 192

• 6(x + 18) = 192

• 6x - 18 = 192

• 6(x - 18) = 192

A furniture store sells kits that customers use to build cabinets. Each kit contains 18 screws and a set number of boards.

Part A Jarred buys 6 of these kits and has a total of 192 screws and boards. The equation shown represents this situation. 6(x + 18) = 192

What does the variable x represent in Jarred’s equation?

• the number of screws in one kit

• the number of screws in all 6 kits

• the number of boards in one kit

• the number of boards in all 6 kits

6(x + 18) = 192

Part B What is the value of x in Jarred’s equation?

• 11

• 14

• 29

• 35

The sum of a number, n, and 8 is multiplied by –4, and the result is –12.

What is the number?

• n = –5

• n = 1

• n = 5

• n = 11

The sum of a number, n, and 8 is multiplied by –4, and the result is –12.

Which equation represents the mathematical phrase?

• -4n + 8 = -12

• -4(n + 8) = 12

• -4(n + 8) = -12

• -4n + 8 = 12