SOLUTION: E is the ellipse with foci at (4,-2) and (4,8) whose major axis has length 20

Question 875136: E is the ellipse with foci at (4,-2) and (4,8) whose major axis has length 20
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Those tell you that a=10, , and center is (4,3).

The relationship among a, b, and c, is , meaning .

The standard form equation which you still need to finish, is:
.
Notice carefully how a and b are positioned. The MAJOR axis and vertices are vertical.

~~I KNOW I made a mistake there, but I will leave this solution up anyway. Maybe I will find the mistake...~~(Mistake found and corrected).
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