Exercises 21.4, page 586

  1. 1. F(5 ,  0) ,  x =  − 5

    The graph of a rightward opening parabola with a vertex at (0, 0).
  2. 3. F(0 ,   − 32) ,  y = 32

    The graph of a downward opening parabola with a vertex at (0, 0).
  3. 5. F(1 ,  0) ,  x =  − 1

    The graph of a rightward opening parabola with a vertex at (0, 0).
  4. 7. F( − 16 ,  0) ,  x = 16

    The graph of a leftward opening parabola with a vertex at (0, 0).
  5. 9. F(0 ,  18) ,  y =  − 18

    The graph of an upward opening parabola with a vertex at (0, 0).
  6. 11. F(0 ,   − 1) ,  y = 1

  7. 13. F(58 ,  0) ,  x =  − 58

  8. 15. F(0 , 25 ...

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