Simplifying Expressions Quiz

What is the definition of a coefficient?

• The number in front of a variable

• The number without a variable

• The number behind a variable

• The letter used to represent a quantity

What is the definition of a constant?

• The number without a variable

• The number in front of a variable

• A letter used to represent a number

• The number behind a variable

What are like terms?

• Terms with the exact same variable

• Terms with similar variables

• A letter used to represent a number

• Terms with the same sign

Simplify the following expression.

4(2x+3)

• 6x+7

• 8x+12

• 24x

• 8x+6

Simplify the following expression.

-3(5x+6)

• 2x+3

• -15x+18

• -15x-18

• -15x+30

Simplify the following expression.

-7(2x-3)

• -14x-21

• -14x+21

• -42x

• -14x-6

Simplify the following expression.

5(-2x-6)

• -10x+30

• -60x

• -10x+12

• -10x-30

Simplify the following expression.

5x + 2x

• 10x

• 3x

• 5x+2

• 7x

Simplify the following expression.

7y + 4 - y

• 8y+4

• 11y

• 6y+4

• 10y

Simplify the following expression.

6x + 4y - 3x + 5y

• 9x+9y

• 3x+9y

• 12x

• 18y