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

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:

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

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

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

Graph the Conjunction x  -2 and x < 10

Graph the Conjunction x < 5 and x > 2

Graph the Conjunction x < -5 and x > 2

Graph the Conjunction x < -5 and x < 2

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

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

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

Write the inequality shown by this graph:

Write the inequality shown by this graph:

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

Graph the disjunction:

Graph the disjunction:

Solve and graph : or

Solve and graph : or

Write the inequality graphed :

Assignment: Page 408 (2-42) even