Find the vertices of the ellipse.9x2 + y2 - 162x + 720 = 0
A. (9, 3), (9, -3)
B. (3, 9), (3, -9)
C. (9, 2
), (9, -2
)
D. (3, 4
), (3, -2
)
Answer: A
Mathematics
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