Conic sections definitions
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Last updated 2:54 PM on 1/10/23
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4 Terms
1
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Circle
A locus of points in a plane at a fixed distance (r) from
a given point (h, k)
a given point (h, k)
2
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Ellipse
A locus of points in a plane for which the sum of the
distances from two fixed points (the foci) is constant
distances from two fixed points (the foci) is constant
3
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Hyperbola
A locus of points in a plane for which the
difference of the distances from two fixed points (the foci) is
constant
difference of the distances from two fixed points (the foci) is
constant
4
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Parabola
A locus of points in a plane that are equidistant from
a fixed line (the directrix) and a fixed point (the focus)
a fixed line (the directrix) and a fixed point (the focus)
