1. A.8 Interval Notation & Solving Inequalities Remember, with great power, comes great responsibility. -Uncle Ben

2. Interval Notation : A closed interval consists of all real x such that : An open interval consists of all real x such that A half-open or half-closed interval consists of all real x such that : : The interval

3. Write the following inequalities in interval notation and graph on a number line. Interval Notation 1) 2) 3) 4)

4. Solving Linear Inequalities Recall that when you multiply or divide by a negative number, you must change the direction of the inequality. 1)

5. Linear Inequalities Practice Solve the following inequality. Write your answer in interval notation and graph on a number line. 3) 4) 1) 2)

6. Solving Absolute Value Inequalities 0 123456 -2-4-3-6-5 Remember: Less ThAND

7. Solving Absolute Value Inequalities 0 123456 -2-4-3-6-5 Remember: GreatOR

8. Solving Absolute Value Inequalities 0 123456 -2-4-3-6-5

9. Solving Absolute Value Inequalities 0 123456 -2-4-3-6-5

10. More Practice 1) 0 123456 -2-4-3-6-5

11. More Practice 2) 0 123456 -2-4-3-6-5

12. You guys should try some before I give you the HW, k? Solve, write your answer in interval notation, and graph! Absolute Value Inequality Practice 1) 2) 3)

13. A.8 Interval Notation & Solving Inequalities Remember, with great power, comes great responsibility. -Uncle Ben Homework#10 : p.1030 #77 – 99 Odd