Find the center, foci, and vertices of the ellipse.4x2 + 81y2 = 324

A. center at (0, 0)
foci at (- , 0) and (, 0)
vertices at (-9, 0), (9, 0)
B. center at (0, 0)
foci at (-9, 0) and (9, 0)
vertices at (-81, 0), (81, 0)
C. center at (0, 0)
foci at (0, - ) and (0, )
vertices at (0, -9), (0, 9)
D. center at (0, 0)
foci at (0, -2) and (0, 2)
vertices at (0, -4), (0, 4)


Answer: A

Mathematics

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