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Compound Inequalities:

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Presentation on theme: "Compound Inequalities:"— Presentation transcript:

1 Compound Inequalities:

2 Steps:

3 Steps: Split them apart and treat like two separate equations.

4 Steps: Split them apart and treat like two separate equations.
Where do I split them apart?

5 Steps: Split them apart and treat like two separate equations.
Where do I split them apart? Solve for the variable (in each).

6 Solve for the variable:
-3 < 2x – 1 < 7

7 Solve for the variable:
2 < 3n – 4 ≤ 14

8 Solve for the variable:
1.5 < w + 3 ≤ 6.5

9 Solve for the variable:
3 > x + 4 > 10

10 Solve for the variable:
-3 > x – 14 ≥ 11

11 Solve for the variable:
10 > 5 – x ≥ 19

12 Write and graph the inequality:
All real numbers n that are at most -3 and at least 5.

13 Write and graph the inequality:
All real numbers x that are less than 3 or greater than 7.

14 Write and graph the inequality:
All real numbers b less than 100 or greater than 300.

15 Solve the compound inequality and graph the solution.
3b – 1 < -7 or 4b + 1 > 9

16 Solve the compound inequality and graph the solution.
7 – 3c ≥ 1 or 5c + 2 ≥ 17

17 Write a compound inequality for the graph.

18 Write a compound inequality for the graph.

19 Write a compound inequality for the graph.

20 Write a compound inequality for the graph.

21 Write a compound inequality for the graph.

22 How to solve the really tough ones:

23 How to solve the really tough ones:
First split the two apart.

24 How to solve the really tough ones:
First split the two apart. Follow steps one through eight.

25 How to solve the really tough ones:
First split the two apart. Follow steps one through eight. 2(x + 1) > 3(2x – 2) > 4x -10

26 How to solve the really tough ones:
First split the two apart. Follow steps one through eight. x – 2 < 4(x + ½) < 9(1/3 + x)


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