Solve by the method of your choice.x2 + y2 = 40 -13x + y2 = 82
A. {(-6, 2), (-6, -2), (6, 2), (6, -2)}
B. {(-6, 2)}
C. {(-6, 2), (-6, -2), (-7, 2), (-7, -2)}
D. {(-6, 2), (-6, -2)}
Answer: D
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A. 
B. 
C. 
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