Reflecting about Y = X and Y = -X (Ver 1)

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• Offline Activity (.zip)

• GeoGebra Files

  1. Here, we are REFLECTING Lisa's pic ABOUT A LINE. Now reposition the line so it coincides (lies on top of) the line Y = X. (.ggb)
     
  2. In the app above, move Lisa around to get different primage points. Then, record their images in the image column. (.ggb)
     
  3. Now reposition the line so it coincides (lies on top of) the line Y = -X. (.ggb)
     
  4. In the app above, move Lisa around to get different primage points. Then, record their images in the image column. (.ggb)