Question
Write an equation for the ellipse that satisfies the set of conditions.
endpoint of major axis at ( 0, 10) and (0, -10) foci at (0, 8) and (0-8)
Please help, I really don't understand how to do this
endpoint of major axis at ( 0, 10) and (0, -10) foci at (0, 8) and (0-8)
Please help, I really don't understand how to do this
Answers
an ellipse with center at (h,k) and semi-axes a and b is
(x-h)^2/a^2 + (y-k)^2/b^2 = 1
the foci are at c where a^2 = b^2 + c^2 and lie on the major axis.
you thus have
a = 10
c = 8
so, b = 6
It appears that the center is at (0,0), so
x^2/100 + y^2/36 = 1
(x-h)^2/a^2 + (y-k)^2/b^2 = 1
the foci are at c where a^2 = b^2 + c^2 and lie on the major axis.
you thus have
a = 10
c = 8
so, b = 6
It appears that the center is at (0,0), so
x^2/100 + y^2/36 = 1
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