Lesson 15: Compound Inequalities Objectives: Describe the solution set of two inequalities joined by either “and” or “or” and graph the solution set on.

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Presentation transcript:

Lesson 15: Compound Inequalities Objectives: Describe the solution set of two inequalities joined by either “and” or “or” and graph the solution set on the number line.

Lesson 15: Compound Inequalities

A solution of a compound inequality joined by and is any number that makes both inequalities true. One way you can solve a compound inequality joined by and is by writing two inequalities. Another way you can solve a compound inequality joined by and is by applying the properties of inequality to all three parts of the compound inequality at once. Solving Compound Inequalities Joined by “and”

A solution of a compound inequality joined by or is any number that makes either inequality true. For a compound inequality joined by or, you must solve each of the two inequalities separately Solving Compound Inequalities Joined by “or”

What do you notice?

HINT: Compare your graphs of compound inequalities joined by and to those joined by or

Homework Practice Worksheet 3-5: Problem numbers 1 through 22