Solve.Find the points of intersection of the ellipse 81x2 + 49y2 = 3969 and the line 7y - 9x = 63.
A. (0, 9), (-7,0)
B. (0, 7), (0, -9)
C. (0, -7), (9, 0)
D. (0, -9), (7, 0)
Answer: A
Mathematics
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