SOLUTION: An ellipse has foci at (-5,0) and (5,0).
1.What is the value of c^2
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Question 656987: An ellipse has foci at (-5,0) and (5,0).
1.What is the value of c^2
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
is the distance from the center to either focus. Since the foci are symmetric to the origin, the center is at the origin, and therefore the distance from the center to either focus is the absolute value of the non-zero coordinate of either focus. 
John
My calculator said it, I believe it, that settles it
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