Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.x = (y + 9)2 - 1(x - 9)2 + (y + 9)2 = 1 
A. {(-1, -9)}
B. {(-1, -9), (9, -9)}
C. {(9, -9)}
D. ?
Answer: D
Mathematics
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