Absolute value refers to the distance from zero on the number line. There are two values, -2 and 2, that have an absolute value of 2. Absolute value can never be negative because distance cannot be negative. The document provides examples of using absolute value to solve equations.

2. Absolute Value: is the distance from 0 on a number line
2 2
There are two values that have a distance of 2
­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10
Distance can never be
negative, so absolute value can never be
negative

3. Solve: = 2

4. Solve: = + 1

5. Solve: = + 6

6. Exercise #19
Questions 2 ­ 5