Solve the system by the elimination method or a combination of the elimination and substitution methods. x2 - xy + y2 = 32x2 + xy + 2y2 = 12
A. {(1, 0), (-1, 0)}
B. {(2, 0), (-2, 0), (1, 0), (-1, 0)}
C. {(2, 1), (-2, -1), (1, 2), (-1, -2)}
D. {(2, 1), (1, 2)}
Answer: C
Mathematics
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A. - 
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