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Chapter 7

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  1. Chapter 7 Transformations

  2. Section 2Reflections

  3. GOAL 1: Using Reflections in a Plane

  4. Example 1: Reflections in a Coordinate Plane Graph the given reflections. • H(2, 2) in the x-axis • G(5, 4) in the line y = 4.

  5. Example 2: Proof of Case 1 of Theorem 7.1

  6. Example 3: Finding a Minimum Distance Surveying: Two houses are located on a rural road m, as shown at the right. You want to place a telephone pole on the road at point C so that the length of the telephone cable, AC + BC, is a minimum. Where should you locate C?

  7. GOAL 2: Reflections and Line Symmetry A figure in the plane has a line of symmetry if the figure can be mapped onto itself by a reflection in the line.

  8. Example 4: Finding Lines of Symmetry Hexagons can have different lines of symmetry depending on their shape.

  9. Example 5: Identifying Reflections

  10. EXIT SLIP

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