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Navigation Problem: Boat's Journey and Storm Encounter

Solve a multi-step navigation problem involving a boat's course from point A to D, encountering a storm at B, pushing it off course to C. Practice calculating vector components. Includes solutions and guided practice.

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Navigation Problem: Boat's Journey and Storm Encounter

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  1. A boat heads out from point A on one island toward point D on another. The boat encounters a storm at B, 12 miles east and 4 miles north of its starting point. The storm pushes the boat off course to point C, as shown. EXAMPLE 5 Solve a multi-step problem NAVIGATION

  2. a. Write the component form of AB . Write the component form of BC. b. c. Write the component form of the vector that describes the straight line path from the boat’s current position C to its intended destination D. a. The component form of the vector from A(0, 0) to B(12, 4) is AB= 12 – 0, 4 – 0 = 12, 4 . EXAMPLE 5 Solve a multi-step problem SOLUTION

  3. b. The component form of the vector from B(12, 4) to C(16, 2) is BC= 16 – 12, 2– 4 = 4, –2 . c. The boat is currently at point C and needs to travel to D. The component form of the vector from C(16, 2) to D(18, 5) is CD= 18 – 16, 5 – 2 = 2, 3 . EXAMPLE 5 Solve a multi-step problem

  4. AD= 18 – 0, 5 – 0 = 18,5 . for Example 5 GUIDED PRACTICE 8. WHAT IF? In Example 5, suppose there is no storm. Write the component form of the vector that describes the straight path from the boat’s starting point A to its final destination D. SOLUTION The component form of the vector from A(0, 0) to D(18, 5) is

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