Section 1.7 Equations and Inequalities Involving Absolute Value

Before Starting this Section, Review

  1. 1 Properties of absolute value (Section P.1 , page 9)

  2. 2 Intervals (Section P.1 , page 8)

  3. 3 Linear inequalities (Section 1.6 , page 146)

Objectives

  1. 1 Solve equations involving absolute value.

  2. 2 Solve inequalities involving absolute value.

Rescuing a Downed Aircraft

Rescue crews arrive at an airport in Maine to conduct an air search for a missing Cessna with two people aboard. If the rescue crews locate the missing aircraft, they are to mark the global positioning system (GPS) coordinates and notify the mission base. The search planes normally ...

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