Mystery Number: What Does it Tell Us?

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• Offline Activity (.zip)

• GeoGebra Files

  1. Shown below is is a list of points. Note the mystery number "r" changes as you move them. Drag them around for a bit. As you do, pay attention to the value of this mystery number. (.ggb)
     
  2. If possible, move these points around to make the value of "r" as high as you possibly can. Then answer the question that follows. (.ggb)
     
  3. If possible, move these points around to make the value of "r" as low as you possibly can. Then answer the question that follows. (.ggb)
     
  4. Is it possible to get r = 0? Try it! (.ggb)
     
  5. Can you get r = 0 in a way different from above? Try it! (.ggb)