Math

Find an equation of the ellipse with its center at the origin.

center(0,0)
foci(2,0)(-2,0)
major axis=8

My answer is x^2/16 + y^2/15 = 1. Is this correct?

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  1. major axis = 8, so a = 8
    foci (2,0), so c = 2

    b^2 + c^2 = a^2
    b^2 + 4 = 64
    b^2 = 60

    x^2/64 + y^2/60 = 1

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    posted by Reiny

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