### Home > CCAA > Chapter 2 Unit 4 > Lesson CC3: 2.1.1 > Problem 2-9

2-9.

One meaning of the word evaluate is to find the value of an expression. To evaluate, replace a variable with a number and calculate the result. For example, when you are asked to evaluate the expression , you would put

Evaluate the expressions below for the given values of and

*.*

Rewrite the expression with the number in place of the variable and simplify if possible.

if Remember

is the same as divided by .

if andTry evaluating this one on your own.

and

if andTry evaluating this one on your own. You have been given a head start.