Find the foci and vertices of the ellipse.
+ 
= 1
A. foci at (0, -7) and (0, 7)
vertices at (0, -49), (0, 49)
B. foci at (0, - 
) and (0, 
)
vertices at (0, -7), (0, 7)
C. foci at (0, 7) and (4, 0)
vertices at (0, 49), (16, 0)
D. foci at (- 
, 0) and (
, 0)
vertices at (-7, 0), (7, 0)
Answer: B
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