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5.2 – Solving Inequalities by Multiplication & Division
*Just like solving equations*
*Just like solving equations*Example 1
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line.
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line. 4x > 20
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line. 4x > 20 4 4
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line. 4x > 20 4 4 x > 5
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line. 4x > 20 4 4 x > 5
0 5
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line. 4x > 20 4 4 x > 5
0 5
*Just like solving equations*Example 1 - Solve 4x > 20 and graph on a number
line. 4x > 20 4 4 x > 5
0 5
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line.
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 -2x < 6 3
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3 -2x < 18
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3 -2x < 18 -2 -2
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3 -2x < 18 -2 -2
x > -9
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3 -2x < 18 -2 -2
x > -9
-9 0
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3 -2x < 18 -2 -2
x > -9
-9 0
*Just like solving equations*Example 2 - Solve -⅔x < 6 and graph on a number
line. -⅔x < 6 3 ∙ -2x < 6 3∙ 3 -2x < 18 -2 -2
x > -9
-9 0
