1. Warm Up

2. Homework Check

3. 1.5 Solving Inequalities

4. Key Concept

5. Examples

6. You Try

7. Key Concept Multiplying or dividing each side of an inequality by a positive number does not change the truth of the inequality. However, multiplying or dividing each side of an inequality by a NEGATIVE number requires that the order of the inequality be REVERSED.

8. Key Concept

9. Examples Solve each inequality. Then graph the solution set on a number line. 1.3a + 7 ≤ 16 2.16 < 3q + 4 3.20 – 3n > 7n 4.3x ≥ –9 5.4b – 9 ≤ 7

10. Examples

11. GROUP WORK Turn to page 36. Solve problems 1-8 together.

12. Group Work Answers

13. Homework Problems Pgs. 37-39 #’s 11-21 ODD, 29-35 ODD, and 45