Evaluate Expression With Variable

3(n+2)

if n=4

4+2n

if n=5

n+n+5+2n

if n=0

n+n+5+2n

if n=2

a letter or symbol that represents an unknown value

• coefficient

• constant

• expression

• variable

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

5y - 7 is an example of an ____________

• expression

• equation

In 8r - 3 , the COEFFICIENT is ___

• 8

• r

• -

• 3

In 8r - 3 , the VARIABLE is ___

• 8

• r

• -

• 3