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| Question 1094664:  Find the center, vertices, and foci of the ellipse with equation x^2/400 + y^2/256 = 1.
 
 Answer by ikleyn(52879)
      (Show Source): 
You can put this solution on YOUR website! . 
 
Center is at (0,0).
Vertices  (-20,0), (20,0),  (0,16)  and  (0,-16).
Ellipse is wider than tall.
Linear eccentricity is  c =  =  = 12.
Foci are at (-12,0)  and  (12,0). 
 See the lessons
 - Ellipse definition, canonical equation, characteristic points and elements
 
 - Standard equation of an ellipse
 - Identify elements of an ellipse given by its standard equation
 - Find the standard equation of an ellipse given by its elements
 in this site.
 
 
 Also,  you have this free of charge online textbook in ALGEBRA-II in this site
 ALGEBRA-II - YOUR ONLINE TEXTBOOK.
 
 The referred lesson is the part of this online textbook under the topic
 "Conic sections: Ellipses. Definition, major elements and properties. Solved problems".
 
 
 Save the link to this textbook together with its description
 
 Free of charge online textbook in ALGEBRA-II
 https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson
 
 into your archive and use when it is needed.
 
 
 
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