Algebra Vocabulary: Variable, Coefficient, and Constant

Match the following

• a number multiplying a variable

• coefficient

• a letter representing an unknown number

• variable

• a number without a variable

• constant

Expression: 4n + 7

Identify the variable in the expression.

• 4

• n

• 7

Expression: 7n - 10

Identify the coefficient.

• 7

• n

• -10

Expression: -8n + 1

Identify the constant.

• -8

• n

• 1

Expression: -4 + 3x

Which number is the constant?

(a)  

7x - 9

Which number is the coefficient?

(a)  

expression: x

Every variable has a coefficient.

What is the coefficient of x?

(a)  

expression: 2x - 6

Is the constant 6 or -6 ?

• 6

• -6

expression: m + 2n - 5

-5 is a ​ (a)  

• constant
• variable
• coefficient

expression: 8g + h

1 is a ​​ ​ (a)   .

• coefficient
• constant
• variable