 Solve and graph on a number line Bellwork. Solving Compound Inequalities Section 1-6.

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Presentation transcript:

 Solve and graph on a number line Bellwork

Solving Compound Inequalities Section 1-6

“and” Compound Inequalities Graph the following inequalities on a number line. What do you notice about how their graphs interact?

 Compound inequality: consists of two inequalities joined by the word “and” or the word “or”  When we have a compound inequality that contains the word “and” then the graph is the intersection of the two inequalities  So “and”=intersection Important Vocabulary:

I Do We can solve these compound inequalities two ways: separately or together. Since they are already together, lets just solve it that way.

We Do

You Do

“or” Compound Inequalities Graph the following inequalities on a number line. What do you notice about how their graphs interact?

“or” union  The graph of a compound inequality containing “or” is the union of the solution sets of the two inequalities  For these types of problems we will have to solve each inequality separately Now let’s talk about “or”

I Do

We Do

You Do

 TB pg. 45 (#1-4, all)  Chapter 1 test Thursday! Homework