Question 629081:  Find in standard form, the equation of an ellipse whose center is at (2,-1) whose major axis of length 10 is along the y-axis, and whose minor axis of length 8 is along the x-axis. 
 Answer by lwsshak3(11628)      (Show Source): 
You can  put this solution on YOUR website! Find in standard form, the equation of an ellipse whose center is at (2,-1) whose major axis of length 10 is along the y-axis, and whose minor axis of length 8 is along the x-axis. 
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Given equation is that of an ellipse with a vertical major axis. 
Its standard form:  , a>b, (h,k)=(x,y) coordinates of center. 
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Given center: ((2,-1) 
Given length of vertical major axis=10=2a 
a=5 
a^2=25 
given length of minor axis=8=2b 
b=4 
b^2=16 
Equation: 
    
 
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