Exercises 21.5, page 592

  1. 1. V(0 ,  6) ,  V(0 ,   − 6) ,  ends minor axis (5, 0), ( − 5 ,  0) foci (0 ,  11) ,  (0 ,   − 11)

    The graph of a vertical ellipse that passes through (5, 0), (0, 6), (negative 5, 0), and (0, negative 6).
  2. 3. V(2 ,  0) ,  V( − 2 ,  0) ,  F(3 ,  0) , F( − 3 ,  0)

    The graph of a horizontal ellipse centered at (0, 0).
  3. 5. V(0 ,  12) ,  V(0 ,   − 12) ,  F(0 , 119) , F(0 ,   − 119)

    The graph of a vertical ellipse centered at (0, 0).
  4. 7. V(52 ,  0) ,  V( − 52 ,  0) , F(2096 ,  0) , F( − 2096 ,  0)

    The graph of a horizontal ellipse centered at (0, 0).
  5. 9. V(9 ,  0) ,  V( − 9 ,  

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