Which of these is the correct definition for an ellipse?
A) Each point on the ellipse is the same distance from one fixed point.
B) The sum of the distances of a point on the ellipse from two fixed points is the same, for each point on the ellipse.
C) All points on the ellipse are an equal distance apart.
D) Each point on the ellipse lies on a smooth oval curve around one fixed point.
E) Each pair of points on the ellipse is the same distance from one fixed point.

Question

Quizplus · Accepted Answer

An ellipse is defined as the set of all points for which the sum of the distances from two fixed points (foci) is constant.

Which of These Is the Correct Definition for an Ellipse