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A conic drawn with eccentricity 0.6 is

  • A.a parabola
  • B.a hyperbola
  • C.a circle of finite radius
  • D.an ellipse

Answer: D

Correct answer: an ellipse

An eccentricity between zero and one is an ellipse, so 0.6 lies comfortably inside that range. The nearer the value to zero the more nearly circular the curve, and at 0.6 the ellipse is noticeably elongated but far from the parabola, which is reached only at exactly one.

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