SOLUTION: Find the co-ordinates of the vertices and the foci and length of the latus rectum of the ellipse 9x2 + 25y2 = 225.

SOLUTION: Find the co-ordinates of the vertices and the foci and length of the latus rectum of the ellipse 9x2 + 25y2 = 225.

Algebra.Com

Question 439714: Find the co-ordinates of the vertices and the
foci and length of the latus rectum of the
ellipse 9x2 + 25y2 = 225.
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
Dividing both sides by 225 we get:,
simplifying we get:, which represent the equation of an
ellipse centered at (0, 0).
The coordinates of the vertices are:(5, 0), (-5, 0) and coordinates of the foci
are:( => c=+or-4.), (4, 0) and (-4, 0).
Done.
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