1. 4-5 Inequalities (pages 172-175) P6  Represent inequalities on a number line or a coordinate plane.

2. Inequalities Words Is less than Is greater than Is less than or equal to OR at Most Is greater than or equal to OR is at least Symbols On number line < Open circle > Open circle ≤ Closed circle ≥ Closed circle

3. What do the following mean? 1) a > 52) t ≥ 2/3 What are some examples that make each true? What are some examples that make each false? Draw a number line to represent the solutions Examples

4. Solve the following inequalities and graph the solutions on a number line 1) 4x + 5 < 21 2) 2x - 6 ≥ 5

5. You Try…

6. Write an inequality for each sentence. Then solve the inequality. Eight times a number is less than 24. Eight less than a number is greater than or equal to 12. + 8