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Solving Absolute Value Equations and Inequalities.

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Presentation on theme: "Solving Absolute Value Equations and Inequalities."— Presentation transcript:

1 Solving Absolute Value Equations and Inequalities

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3 Solving Absolute Value Equations 1. Isolate the Absolute value 2. Set up two equations -positive equation -negative equation 3. Solve both equations 4. Check for extraneous solutions

4 Extraneous solution: a solution of an equation derived from an original equation that is not a solution of the original equation

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12 Solving Absolute Value Inequalities 1. Solve the inequality as an equation 2. Split number line using answers 3. Use a test point on each interval 4. Write solution in interval notation

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