Singapore GCE O-Level Exam

Solve the simultaneous equations: y = x + 1 and x² + y² = 25

x = 3, y = 4 and x = -4, y = -3 x = 3, y = 4 only x = 5, y = 0 and x = 0, y = 5 No real solutions exist

x = 3, y = 4 and x = -4, y = -3

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