Precalculus Review: Inequalities & Absolute Value

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Presentation transcript:

Precalculus Review: Inequalities & Absolute Value

Objectives apply properties of real numbers to solve inequalities identify the properties of real numbers that are used to solve inequalities understand the concept of absolute value apply the properties of real numbers to solve inequalities involving the concept of absolute value

Preview of Calculus Look at pages 43 and 44 in the text

Interval Notation x > 0 (0,∞) x ≥ 0 [0,∞) x ≤ 2 (-∞,2]

Inequalities: Example 1

Inequalities: Example 2

Inequalities: Example 3

Inequalities: Example 4

Absolute Value

Absolute Value: Example 1

Absolute Value Shortcuts less thAND greatOR than

Absolute Value: Example 1

Absolute Value: Example 2

Absolute Value: Example 3

Homework Handout: Larson, Hostetler & Edwards: #25-43 odd Ellis & Gulick: #19-37 odd and #59-67 odd