Inequalities and their Graphs 763542 8 Objective: To write and graph simple inequalities with one variable.

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Presentation transcript:

Inequalities and their Graphs

Objective: To write and graph simple inequalities with one variable

Inequalities and their Graphs What is a good definition for Inequality? An inequality is a statement that two expressions are not equal

Inequalities and their Graphs Terms you see and need to know to graph inequalities correctly Notice open circles < less than > greater than

Inequalities and their Graphs Terms you see and need to know to graph inequalities correctly Notice colored in circles ≤ less than or equal to ≥ greater than or equal to

Inequalities and their Graphs Let’s work a few together 3 Notice: when variable is on left side, sign shows direction of solution

Inequalities and their Graphs Let’s work a few together 7 Notice: when variable is on left side, sign shows direction of solution

Inequalities and their Graphs Let’s work a few together -2 Notice: when variable is on left side, sign shows direction of solution Color in circle

Inequalities and their Graphs Let’s work a few together 8 Notice: when variable is on left side, sign shows direction of solution

Try this one on your own

On your Own

Answer 1 through 5 1.

On your Own 2.

On your Own 3.

On your Own 4.

On your Own 5.

Answer 6 through b ≤ -7

7. a > 8 On your Own

8. q ≥ -5 On your Own

9. s < 14 On your Own

10. m ≥ 8 On your Own

Graphing Inequalities Excellent Job !!! Well Done

Solving One-Step Inequalities

Objective: To solve one-step inequalities using properties for inequalities Solving One-Step Inequalities

What are the Properties for Inequalities? Are they the same as for regular equations?

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Excellent Job !!! Well Done