You should draw pictures to help you answer these questions.

Consider the equations , , and in .
  1. The set of points satisfying the equation is a
  2. The set of points satisfying the equation is a
  3. The set of points satisfying the equation is a
  4. The set of points satisfying both and is a
  5. The set of points satisfying both and is a
  6. The set of points satisfying both and is a
  7. The set of points satisfying , , and is a

You can earn partial credit on this problem.