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5.2 – Solving Inequalities by Multiplication & Division.

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Presentation on theme: "5.2 – Solving Inequalities by Multiplication & Division."— Presentation transcript:

1 5.2 – Solving Inequalities by Multiplication & Division

2 *Just like solving equations*

3 *Just like solving equations* Example 1

4 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line.

5 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line. 4x > 20

6 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line. 4x > 20 4 4

7 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line. 4x > 20 4 4 x > 5

8 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line. 4x > 20 4 4 x > 5 0 5

9 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line. 4x > 20 4 4 x > 5 0 5

10 *Just like solving equations* Example 1 - Solve 4x > 20 and graph on a number line. 4x > 20 4 4 x > 5 0 5

11 *Just like solving equations* Example 2 - Solve -⅔x < 6 and graph on a number line.

12 *Just like solving equations* Example 2 - Solve -⅔x < 6 and graph on a number line. -⅔x < 6

13 *Just like solving equations* Example 2 - Solve -⅔x < 6 and graph on a number line. -⅔x < 6 -2x < 6 3

14 *Just like solving equations* Example 2 - Solve -⅔x < 6 and graph on a number line. -⅔x < 6 3 ∙ -2x < 6 ∙ 3 3

15 *Just like solving equations* Example 2 - Solve -⅔x < 6 and graph on a number line. -⅔x < 6 3 ∙ -2x < 6 ∙ 3 3

16 *Just like solving equations* Example 2 - Solve -⅔x < 6 and graph on a number line. -⅔x < 6 3 ∙ -2x < 6 ∙ 3 3 -2x < 18

17 *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

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 x > -9

19 *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

20 *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

21 *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


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