Expressions & Equations

Identify the coefficient(s) in the expression 2x + 4 - x + 3x,

• 4

• x

• 2 and 3

• 2, 4, and 3

Identify the constants in the following expression 3 + 4x - 2x + 5?

• 3 and 5

• 4 and 2

• x because it is always x

• -2

Which phrase matches the expression
y  -  6

• 6 decreased by a number, y
• A number, y, decreased by 6
• 6 minus a number, y

Which expression represents the phrase "eight fewer than the product of a number x, and four"?

• 8 - 4x

• 4x - 8

• x + 4 - 8

• 4x ÷ 8

Identify the variable(s) in the following expression 5x + 1 + 3x² + 7

• x

• 5x and 3x²

• x and x²

• 1 and 7

A group of variables, constants and operations that an include an equal sign

• Equation
• Constant
• Expression
• Variable

Which of these numbers are coefficients in the following expression?
3x + 7 - 4y + 9 - 2

• 7
• -2
• 9
• 3

Which of these numbers are constants in the following expression?
8a - 9 + 4b + 12c - 6a

• 8
• 9
• 12
• -9

 A mathematical phrase involving at least one variable and sometimes numbers and operation symbols. 

• Variable
• Algebraic Expression
• Constant
• Coefficient

A letter or symbol used to represent a number or quantities that vary

• constant
• coefficient
• variable
• term