SOLUTION: determine the all z satisfying |z-8+4i|=9

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Question 511606: determine the all z satisfying
|z-8+4i|=9
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Let z = a+bi, then







All the z-values will lie on a circle with radius 9 and center (8,-4) or 8-4i.