SOLUTION: find an equation of an ellipse that has center (4,-1), a minor axis of length 4, and a vertex at (8,-1)

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Question 888567: find an equation of an ellipse that has center (4,-1), a minor axis of length 4, and a vertex at (8,-1)
Answer by lwsshak3(11628) About Me  (Show Source):
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find an equation of an ellipse that has center (4,-1), a minor axis of length 4, and a vertex at (8,-1)
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given ellipse has a horizontal major axis
Its standard form of equation: %28x-h%29%5E2%2Fa%5E2%2B%28y-k%29%5E2%2Fb%5E2=1, a>b, (h,k)=coordinates of center
center:(4,-1)
a=4 (distance from center to vertex)
a^2=16
length of minor axis=4=2b
b=2
b^2=4
%28x-4%29%5E2%2F16%2B%28y%2B1%29%5E2%2F4=1,