Answers to Exercises from Winplot Basics



  1. Graph in the default window. Zoom out until you think you have the best display of the graph.
  2. Should look something like this:


  3. Graph two ways: using the implicit function feature and by splitting it into 2 equations.
  4. Using implicit functions

    Breaking it into two parts


  5. Graph using "0=f(x,y)". What is the graph of this equation?
  6. It's a hyperbola. (If you're interested in conic sections, ask your math instructor about them.)


  7. Estimate the zeros of

  9. Estimate the maximum value of for x > 0

  11. Estimate the minimum value of for x < 0