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Homework Help: Quadratic surface

  1. Dec 6, 2013 #1
    Z=y^2-x^2
    Is it always best to substitute k for each and plug in 0, +-1, +-2 to graph each trace.
     
  2. jcsd
  3. Dec 6, 2013 #2
    What's the problem you're trying to solve?
     
  4. Dec 7, 2013 #3

    HallsofIvy

    User Avatar
    Science Advisor

    For each what? Why "k" in particular?

    To do what? To sketch the "equipotential curves"? Yes, setting Z to different values will give different heights.
     
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