Question

Do 4 points in ${\mathbb R}^2$ in convex position define a unique elliplse that passes through those 4 points?

score 538 · Answer 1 · 2015-08-04 19:56:31

538

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Do 4 points in ${\mathbb R}^2$ in convex position define a unique elliplse that passes through those 4 points?

Published on 04 Aug 2015 - 19:56

score 1.6k · Answer 2 · 2015-08-05 10:21:52

1.6k

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Finding the length of latus rectum of an ellipse

Published on 05 Aug 2015 - 10:21

score 1.5k · Answer 3 · 2015-08-05 14:16:10

1.5k

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Area of the ellipse $Ax^2+2Bxy+Cy^2+2Dx+2Ey+F=0$

Published on 05 Aug 2015 - 14:16

score 314 · Answer 4 · 2015-08-06 15:28:50

314

Views

Spivak's approach to conic sections (Michael Spivak - Calculus - p.81.)

Published on 06 Aug 2015 - 15:28

score 594 · Answer 5 · 2015-08-08 06:52:59

594

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Differentiate $y=a(x+b)^2 -8$, then find $a$ and $b$ if the parabola:

Published on 08 Aug 2015 - 6:52

score 2k · Answer 6 · 2015-08-08 08:47:54

2k

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Values of $k$ for which the line $y=kx-1$ is tangent to the parabola with the equation $y=x^{2}+3$

Published on 08 Aug 2015 - 8:47

score 157 · Answer 7 · 2015-08-11 04:17:53

157

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Entire function assume real values for $z=x^2+ix$

Published on 11 Aug 2015 - 4:17

score 65 · Answer 8 · 2015-08-11 17:14:28

65

Views

Question related to elliptical angles

Published on 11 Aug 2015 - 17:14

score 20 · Answer 9 · 2026-04-10 05:12:08

20

Views

Finding formula for set of ellipses

Published on 10 Apr 2026 - 5:12

score 816 · Answer 10 · 2015-08-13 11:57:07

816

Views

About the coordinates of an axis-aligned bounding box of an ellipse.

Published on 13 Aug 2015 - 11:57

score 5.3k · Answer 11 · 2026-04-08 08:06:02

5.3k

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How to find equation of hyperbola given foci and a point?

Published on 08 Apr 2026 - 8:06

score 875 · Answer 12 · 2026-03-28 12:49:13

875

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Prove synthetically: projection of a circle onto a plane is an ellipse

Published on 28 Mar 2026 - 12:49

score 1.1k · Answer 13 · 2015-08-16 05:55:24

1.1k

Views

Concyclic Eccentric angles of an ellipse.

Published on 16 Aug 2015 - 5:55

score 1k · Answer 14 · 2015-08-16 12:04:50

1k

Views

Given 3 spheres, find the equation of the plane that touches each of the spheres on the same side..?

Published on 16 Aug 2015 - 12:04

score 232 · Answer 15 · 2026-04-09 15:24:34

232

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Equation of the ellipse for musical notation (the quarter note/crotchet and shorter)

Published on 09 Apr 2026 - 15:24

List Question

Do 4 points in ${\mathbb R}^2$ in convex position define a unique elliplse that passes through those 4 points?

Finding the length of latus rectum of an ellipse

Area of the ellipse $Ax^2+2Bxy+Cy^2+2Dx+2Ey+F=0$

Spivak's approach to conic sections (Michael Spivak - Calculus - p.81.)

Differentiate $y=a(x+b)^2 -8$, then find $a$ and $b$ if the parabola:

Values of $k$ for which the line $y=kx-1$ is tangent to the parabola with the equation $y=x^{2}+3$

Entire function assume real values for $z=x^2+ix$

Question related to elliptical angles

Finding formula for set of ellipses

About the coordinates of an axis-aligned bounding box of an ellipse.

How to find equation of hyperbola given foci and a point?

Prove synthetically: projection of a circle onto a plane is an ellipse

Concyclic Eccentric angles of an ellipse.

Given 3 spheres, find the equation of the plane that touches each of the spheres on the same side..?

Equation of the ellipse for musical notation (the quarter note/crotchet and shorter)

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