1.8 Absolute Value Equations and Inequalities Warm-up (IN) Learning Objective: to write, solve and graph absolute value in math and in real-life situations.

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Presentation transcript:

1.8 Absolute Value Equations and Inequalities Warm-up (IN) Learning Objective: to write, solve and graph absolute value in math and in real-life situations 1. Solve each equation m=-4 m=2 m=0 2. Solve each inequality k>8 k<-12 k>-2

Notes Absolute Value – The distance from x to 0 on a number line In an equation… Ex 1 – Solve or Check using calculator!

Ex 2 – Solve or No solution Check using calculator! No solution

Inequalities… Ex 3 – Solve and graph or

and

HW – p #1-3, 7-31 odd, 32, 33-35, odd Out – Explain why an absolute-value equation can have 2 solutions Summary – I understand… Or I have more questions about… Test Friday!!