Expressions Intro

In the expression, 6g + 12, what is the coefficient?

• 12

• 6

• g

In the expression, 6g + 12, what is the variable?

• 12

• 6

• g

In the expression, 6g + 12, what is the constant?

• g

• 12

• 6

The "sum of x and 10" as an expression.

• 10x

• x-10

• x + 10

The "product of z and 6" as an expression.

• 6 + z

• 6z

• 6/z

"8 less than q" as an expression.

• 8 - q

• q - 8

• q + 8

• 8q

Evaluate 20 - 3x, when x = 5

• 35

• 15

• 10

• 5

Evaluate 9x, when x = 2

• 9

• 18

• 27

• 1

Are the following expressions equivalent?

3z

z + z + z

• Equivalent

• Not Equivalent