Conic Sections: Ellipses
by
tesbellg
Last updated 8 years ago
Discipline:
Math Subject:
Algebra I
Grade:
12


(X^2/a^2)+(y^2/b^2)=1or(x^2/b^2)+(y^2/a^2)=1-a^2 is always the largest #-the axis divided by a^2 is the axis the elipse is grapghed on-to find foci use the formula b^2=a^2-c^2-to find the focal endpoints use the formula b^2/a, it is the distance between the focus and the endpoint-canter of graph will be at (0,0)
Major axis: The longer axis, has the length of 2a.Minor axis: The shorter axis, has the length of 2b.a: longest distance from the center to the end on an elipse b: shortest distance from the center to the shorter end of an elipse
Conic Sections: Ellipses
An elipse is the set of all points such that the sum of the distances of two given points called foci is a given distance. The distance is called focal radii.
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