Algebra Math Terminology

A variable is

• a letter that takes the place of a number

• terms in an expression

• the answer to an equation

• the number infront of a letter

Which of the following expressions contains the variables x, y, and z?

• 4x + 6y + 10z

• 4x + 6y

• 4x + 10z

• 6y +10z

Which of the following is an example of an algebraic expression?

• 3(2 + 7) - 10

• 78 - 5 + 3

• 3x + 6y

• 8(3) - 5 + 2

What are the terms in the expression?

-4x + 6y - 2

• -4x, 6y, -2

• x, y

• 4x, 6y

• -2

Which of the following expressions contains the coefficients 4 and -6?

• 4n - 6n + 4

• 4n + 6n - 4

• -4n - 6n

• -4n + 6n

Which of the following answer choices is NOT an example of a variable?

• 8

• x

• u

• n

True or False: In the expression -4x + 2, the coefficient is 4.

• True

• False

A _____________ is a symbol, usually a letter, that stands for a quantity that can take on any value.

• coefficient

• algebraic expression

• variable

• term