Ellipse

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Last updated 1:36 PM on 12/5/23
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7 Terms

1
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Ellipse

A set of all coplanar points such that the sum of its distances from two fixed points is constant.

2
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Foci

The fixed points in an ellipse.

3
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Center

The intersection of the two axes of an ellipse. Also the midpoint between the two vertices.

4
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Vertices

Intersects the major axis in two points. Endpoints of the major axis.

5
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Co-vertices

Intersects the minor axis in two points.

6
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Latus Rectum

A segment passing through a focus of the ellipse that is perpendicular to the major axis.

7
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Directrix

A line outside the ellipse that is parallel to the minor axis and has the same distance from a vertex as the focus.