Labeling Algebraic Expressions

What are the variables in the expression below?

Select the correct list of terms from the expression below:

3x - 5 + 4y + 9x

• x,y

• 3, -5, 4, 9

• 3x and 9x

• 3x, -5, 4y, 9x

A letter or symbol in an expression that represents and unknown value is called what?

• Coefficient

• Variable

• Operation

• Term

What is the constant in the expression below? 3x + 7 - 4x + 2y

• 4

• 3

• 7

• x

What is the following expression called?
3 - 2x + 14r - 7 + 5x

• Variable Expression

• Variable Term

• Expressions of the heart

• Algebraic Expression

An algebraic expression is a math phrase including variables. An expression can be a single part, like 4, or 2m, or a longer expression, like 35c - 5y + 3m. They cannot have an equal sign.

Groups:

(a) Algebraic Expressions

,

(b) Not Expressions

Expression including at least one variable.

• Numerical Expression

• Variable Term

• Sponge Bob Square Pants

• Algebraic Expression

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

• 3 + 6 - 4

• 3(6 + 4)

• 3(6 - 4)

• 3x + 6 + 4y

Which phrase represents the expression:

32c

• Thirty-two plus c

• The difference of thirty-two and c

• The product of 32 and c

• The quotient of thirty-two and c

Select the expression that is algebraic

• 6 + 14 - 2

• 27 = 12 + 5x

• 9³ - p

• 100 - 5²