QUICK CHECK 9-23

Combine like terms to simplify this expression:

(2x + 3) + (-4x - 5)

• 6x - 2

• 6x + 2

• -2x - 2

• -2x + 8

Jasmine is at the grocery store and wants to figure out her total cost before she gets to the register. She bought 3 pounds of apples that cost x dollars a pound, and 2 bags of gummy bears for y dollars each. Which expression would represent her total cost?

• 3x - 2y

• 3x2y

• 3x + 2y

• 3y + 2x

Simplify:

-3(4n - 7)

• -12n + 21

• -12n - 21

• -7n - 10

• -7n - 7

Translate the following into an ALGEBRAIC EQUATION:

The product of negative five-ninths and the sum of a number and three-point-one is thirteen-point-seven.