Expressions Vocabulary

A letter used to represent a number value in an expression or an equation

• term

• coefficient

• constant

• variable

Combination of numbers, operations, and variables which can be evaluated for a given value of the variables

• equation

• expression

• term

• coefficient

A part of a mathematical expression separated by addition or subtraction symbols

• constant

• term

• equation

• variable

A number that does not change (it stands alone without any variable attached)

• constant

• coefficient

• variable

• term

A number used to multiply a variable. It is the number "attached" to a variable.

• constant

• coefficient

• term

• expression

In 8r - 3 , the COEFFICIENT is ___

• 8

• r

• -

• 3

In 8r + 3 , the CONSTANT is ___

• 8

• r

• +

• 3

How many explicit variables are In 8r - 3 ?

• 8

• r

• 1

• 3

How many terms does this expression have?
3x + 5y - 17 - 2y + x

• 3
• -17
• 5
• 1

How many terms does this expression have?
3x + 5y - 17 - 2y + x

• 3
• -17
• 5
• 1