Yahoo Answers: Answers and Comments for What is the equation of a degenerate ellipse? [Mathematics]
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From heya4
enUS
Mon, 11 Aug 2008 18:38:32 +0000
3
Yahoo Answers: Answers and Comments for What is the equation of a degenerate ellipse? [Mathematics]
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From Hassan: Both of the previous answers from the differen...
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Mon, 23 Dec 2013 23:51:13 +0000
Both of the previous answers from the different users are wrong. A degenerate ellipse is simply a single point so it has a radius of 0.

From Anonymous: The guy ahead of me is wrong.
A degenerate e...
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Mon, 11 Aug 2008 18:50:29 +0000
The guy ahead of me is wrong.
A degenerate ellipse is one with the two foci so far apart that the curve is a straight line. The closer the foci are together, the more nearly circular the ellipse appears; and the further apart they are, the more elongated it appears, till it 'degenerates' into a straight line.
Sooo, the equation of a degenerate ellipse is the same as for a straight line.

From grainger: Degenerate Ellipse
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Sun, 13 Nov 2016 13:40:25 +0000
Degenerate Ellipse

From link: A degenerate ellipse is a circle, i.e. its maj...
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Mon, 11 Aug 2008 18:43:50 +0000
A degenerate ellipse is a circle, i.e. its major and minor axis are the same.
Equation of a circle is:
(x  h)^2 + (y  k)^2 = r^2
where h and k are the x and ycoordinates of the center of the circle and r is the radius.