Solve the system by the addition method.x2 + y2 = 25x2 - y2 = 25
A. {(0, 5), (0, -5)}
B. {(5, 0)}
C. {(5, 0), (-5, 0)}
D. {(0, 5)}
Answer: C
Mathematics
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A. 125
B. 
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A. x = - 
, 
B. x = 3, 
C. x = 
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D. x = 
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