Which ratio of distances is constant for a point on a
Chapter 8, Problem 8.1.1.394(choose chapter or problem)
In Exercises 47–50, solve the problem without using a calculator.
Multiple Choice Which ratio of distances is constant for a point on a nondegenerate conic?
(A) Distance to center : distance to directrix
(B) Distance to focus : distance to vertex
(C) Distance to vertex : distance to directrix
(D)Distance to focus : distance to directrix
(E) Distance to center : distance to vertex
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