SOLUTION: x^2/9+(y+3)^2/25=1 whats its center, length of major axis, length of minor axis,foci, and vetexes?

Question 981057: x^2/9+(y+3)^2/25=1
whats its center, length of major axis, length of minor axis,foci, and vetexes?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
.....if you compare it to the standard formula of an ellipse ,, you see that:

so, the center is at (,)
you also see that we have vertical major axis
=> and
=> and
so,
semi-major axis length is
semi-minor axis length is
find foci:
first we need

and

so, foci will be at (,) and (,)
(, ) => (,)
and
(, ) => (,)
The vertices are at the intersection of the major axis and the ellipse.
vertices are at (,) and (,)

eccentricity

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