1. 9.2 Compound Sentences
Goal(s): Solve and Graph Conjunctions and Disjunctions

2. Conjunction: x >-3 and x < 7
Formed by connecting two inequalities with the word “and”
Similar to an Intersection “”
Usually written: -3 < x < 7
Graph is:

3. A={x|x > -5}
B={x|x < 8}
Graph
“Conjunction”

4. A={x|x  -8} and B={x|x  5}
Graph
“Conjunction”

5. x > 5 and x  12 Called a “conjunction”
Formed by connecting two inequalities with the word “and”
Similar to an Intersection “”
Graph: 5

6. Graph the Conjunction x  -2 and x < 10

7. Graph the Conjunction x < 5 and x > 2

8. Graph the Conjunction x < -5 and x > 2

9. Graph the Conjunction x < -5 and x < 2

10. Solve and graph: -6 < 2x + 4 < 10

11. Solve and graph: -6 < -5x + 4 < 4
Reverse inequality when divide by negative

12. Solve and graph: -18 < 3x - 6 < -3+6

13. Write the inequality shown by this graph:

14. Write the inequality shown by this graph:

15. Disjunction: x <-3 or x > 7
Formed by connecting two inequalities with the word “or”
Similar to a Union “”
Always written with “ or ”
Graph is:
Click on the chcken and a cock-a doodle-doo sound sounds

16. Graph the disjunction:

17. Graph the disjunction:

18. Solve and graph : or

19. Solve and graph : or

20. Write the inequality graphed :

21. Assignment: Page 408 (2-42) even