1. Agenda Lesson: Solving Multi-Step Inequalities Homework Time

2. Solving Multi-Step Inequalities

3. Solve the following inequality for “n.” 3n + 12 ≥ 60

4. Solve the following inequality for “n.” 3n + 12 ≥ 60 - 12

5. Solve the following inequality for “n.” 3n + 12 ≥ 60 - 12 3n ≥ 48

6. Solve the following inequality for “n.” 3n + 12 ≥ 60 - 12 3n ≥ 48 3 3

7. Solve the following inequality for “n.” 3n + 12 ≥ 60 - 12 3n ≥ 48 3 3 n ≥ 16

8. Solve the following inequality for “n.” 3n + 12 ≥ 60 - 12 3n ≥ 48 3 3 n ≥ 16 Now, graph the solution.

9. Solve the following inequality for “n.” 3n + 12 ≥ 60 - 12 3n ≥ 48 3 3 n ≥ 16 Now, graph the solution. 16

10. Solve the following inequality for “n.” 13 – 6n < 49 – 2n

11. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13

12. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n

13. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n + 2n

14. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n + 2n – 4n < 36

15. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n + 2n – 4n < 36 -4 -4

16. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n + 2n – 4n < 36 -4 -4 n > -9 Did you remember to reverse the inequality?

17. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n + 2n – 4n < 36 -4 -4 n > -9 Now graph the solution.

18. Solve the following inequality for “n.” 13 – 6n < 49 – 2n - 13 – 6n < 36 – 2n + 2n – 4n < 36 -4 -4 n > -9 Now graph the solution. -9

19. Let’s try one more example. - 4.8 - 4.4> b -5

20. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8

21. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8.4> b -5

22. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8.4> b -5 (-5)

23. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8.4> b -5 (-5) -2 < b Did you remember to reverse the inequality?

24. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8.4> b -5 (-5) b > -2 Let’s rewrite this with the variable on the left side.

25. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8.4> b -5 (-5) b > -2 Now graph the solution.

26. Let’s try one more example. - 4.8 - 4.4> b -5 + 4.8.4> b -5 (-5) b > -2 Now graph the solution. -2

27. Solve and Graph each Inequality. 1) 2) 3)4)

28. Solve and Graph each Inequality. 1) 2) 3)4) 3

29. Solve and Graph each Inequality. 1) 2) 3)4) 3 4

30. Solve and Graph each Inequality. 1) 2) 3)4) 3 4 2

31. Solve and Graph each Inequality. 1) 2) 3)4) 3 4 2 -3

32. Homework Pg. 190 – 191 # 9-13 odd, 15, 16, 17-25 odd, 29-33 odd,45