Exercises 21.7, page 601

  1. 1. Hyperbola, C(3, 2) transverse axis parallel to x-axis; a = 5 ,  b = 3

    A horizontal hyperbola centered at (3, 2).
  2. 3. Parabola, ( − 1 ,  2)

    A rightward opening parabola with a vertex at (negative 1, 2).
  3. 5. Hyperbola, (1, 2)

    A horizontal hyperbola centered at (1, 2).
  4. 7. Ellipse, ( − 1 ,  0)

    A vertical ellipse centered at (negative 1, 0).
  5. 9. Parabola, ( − 3 ,  1)

    A downward opening parabola with a vertex at (negative 3, 1).
  6. 11. (x + 1)2 = 12(y − 3) or x2 + 2x −  ...

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