### Home > CCA > Chapter A > Lesson A.1.1 > Problem A-10

A-10.

The word “evaluate” has many different meanings. In algebra, when you are asked to evaluate an expression for a specified value of the variable(s), you are being asked to find the value of the expression. You do this by replacing a variable with a number and calculating the result. For example, if you are asked to evaluate the expression

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.