Solve the system of equations. 2x2 + y2 = 173x2 - 2y2 = -6
A. (1, 3), (1, -3), (-1, 3), (-1, -3)
B. (1, 3), (-1, -3)
C. (2, -3), (-2, 3)
D. (2, 3), (2, -3), (-2, 3), (-2, -3)
Answer: D
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