Review- expressions and equations

Simplify by combining like terms: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

• -25

• -30

• 25

• 30

-(n - 8) = -2

• 6

• 10

• -10

• -6

Choose the equivalent expression.

15 + 4(5y + 10)

• 5y + 25

• 20y - 25

• 20y + 40

• 20y + 55

Which expression has the least value?

• 4¹ + 12

• 4³

• 25 - 4²

• 4⁴ - 160

An algebraic expression is described below.

six more than the product of four times the difference between x and 3

What is the value of the expression when x = 8?

• 14

• 26

• 35

• 50

What is the definition of a coefficient?

• The number in front of a variable.

• The number used to raise to a power.

• The letter used to represent a quantity.

What is the definition of a constant?

• A number without a variable.

• A letter used to represent a number.

• The number in front of a variable.

• The number used to raise to a power

What is the definition of a variable?

• The letter used to represent a quantity

• The little number or letter used to raise to a power

• The number in front of a variable

• The number with no variable

What do we call a number sentence that has an equal sign?

• expression

• solution

• equation

• constant