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| 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. **
 Given equation is that of an ellipse with a vertical major axis.
 Its standard form:
  , a>b, (h,k)=(x,y) coordinates of center. ..
 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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