11.2 Coordinates of a Point in Space

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Solved Examples

The reflection of a point (x,y,z)(x, y, z) in the YZ-plane preserves the y and z coordinates but negates the x coordinate.

  • Original: x=2,y=3,z=4x = -2, y = 3, z = 4.
  • Image: x=(2)=2,y=3,z=4x' = -(-2) = 2, y' = 3, z' = 4.
  • Result: (2,3,4)(2, 3, 4).

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