SOLUTION: Perform the indicated operations. Write answers in the form a + bi. 6 + square root -18 over 3

Algebra ->  Algebra  -> Radicals -> SOLUTION: Perform the indicated operations. Write answers in the form a + bi. 6 + square root -18 over 3      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 138637: Perform the indicated operations. Write answers in the form a + bi.
6 + square root -18 over 3
Answer by ankor@dixie-net.com(12692) About Me  (Show Source):
You can put this solution on YOUR website!
%286+%2B+sqrt%28-18%29%29%2F3
Factored
%286+%2B+sqrt%28-1%2A9%2A2%29%29%2F3
Extract the perfect squares
%286+%2B+3i%2Asqrt%282%29%29%2F3
Same as:
6%2F3 + %283i%2Asqrt%282%29%29%2F3
cancel the 3's
2 + sqrt%282%29i