SOLUTION: Evaluate {{{sqrt(-4)}}}, if possible. I have tried to figure this one out but I have not reached and acurate solution. I am acutally not sure if the solution should be 2 or -2.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Evaluate {{{sqrt(-4)}}}, if possible. I have tried to figure this one out but I have not reached and acurate solution. I am acutally not sure if the solution should be 2 or -2.       Log On


   

Question 76795: Evaluate sqrt%28-4%29, if possible.
I have tried to figure this one out but I have not reached and acurate solution. I am acutally not sure if the solution should be 2 or -2. Could you please help me with this? Thanks.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt-4=2i (i=sqrt-1)