Clear["Gobal`*"]
Solve[(x - 2)^2 + (y + 1)^2 == 6^2 , y]
Solve[(x - 2)^2 + (y + 1)^2 == 6^2, y]
Plot[{-1 - Sqrt[-4 + 4 x - x^2 + 36^2], -1 +
Sqrt[-4 + 4 x - x^2 + 36^2]}, {x, -40, 40}]
Plot[{-1 - Sqrt[32 + 4 x - x^2], -1 + Sqrt[32 + 4 x - x^2]}, {x, -10,
10}]
{{y->-1-Sqrt[-4+4 x-x^2+36 ^2]},{y->-1+Sqrt[-4+4 x-x^2+36 ^2]}}
{{y->-1-Sqrt[32+4 x-x^2]},{y->-1+Sqrt[32+4 x-x^2]}}
Thanks Bruce - seems you were right. I retyped that equation and got the right results. it seems what I thought were just spaces, were something else. What can I do to tell what non-printing characters slipped in?? again, thanks all for your help...
