Identifying Parts of an Expression

Algebraic Expressions

a symbol or a combination of symbols used in algebra, containing one or more numbers, variables, and arithmetic operations

Terms

Single numbers, variables, or the product of a number and variable. These are separated by addition or subtraction.

Coefficients

A number multiplied by a variable. (That is in front of the variable.)

Constant

a fixed value that can not change and stands alone in an expression

Variable

a letter or symbol that represents an unknown value

three

How many terms are in the expression 6a + 9b + 15?

7

What is the coefficient in the term 7y in the expression 4 +7y?

3

What is the coefficient in the term 3x in the expression 5 +3x?

5

What is the coefficient in the term 5x?

4x, 2b, 16

What are terms in the expression 4x + 2b +16?

7

What is the constant in the expression 2x+7?

9

What is the constant in the expression 72x+9+2b?

y

What is the variable in 2y + 9?

4

What is the constant in
4y + 4 - 9a?

16

What is the coefficient in 16y + 9?