Question 755682:  What is the equation of an ellipse with foci (0,3) (0,-3) and  co vertices (10,0) (-10,0) 
 Answer by lwsshak3(11628)      (Show Source): 
You can  put this solution on YOUR website! What is the equation of an ellipse with foci (0,3) (0,-3) and co vertices (10,0) (-10,0) 
Given ellipse has a vertical major axis. 
Its standard form of equation:  , a>b, (h,k)=(x,y) coordinates of center. 
For given ellipse: 
center: (0,0) 
c=3 (distance from center to foci) 
c^2=9 
b=10  (distance from center to end points) 
b^2=100 
c^2=a^2-b^2 
a^2=c^2+b^2=9+100=109 
Equation of given ellipse: 
   
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