SOLUTION: "plot all the complex numbers in the complex plane whose absolute value is 4. "

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Question 145570: "plot all the complex numbers in the complex plane whose absolute value is 4. "
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
|a+bi| = sqrt(a^2+b^2)
If sqrt(a^2+b^2) = 4
then a^2+b^2 = 16
then {(a,b)} are all the points on a circle of radius 4 with center at the origin.
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Cheers,
Stan H.