### Home > AC > Chapter 2 > Lesson 2.1.1 > Problem 2-10

2-10.

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*

*. Homework Help ✎*

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

if

if and

Try evaluating this one on your own. Think of the rules for multiplying positive and negative integers.

if and

if and

Try evaluating this one on your own. You have already been given a head start.