SOLUTION: I need help trying to solve this equation. The equation is t^2+81=0 would this be a quadratic function problem or would this be like solving a normal equation? If i solve it li

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Question 771745: I need help trying to solve this equation. The equation is t^2+81=0
would this be a quadratic function problem or would this be like solving a normal equation?
If i solve it like a normal equation i keep on getting a negative under the square root sign.
how would i write the answer?
square root of -81 or square root -27 or square root +/- 27 or 81 or with the -81i
Found 2 solutions by ashin, DrBeeee:
Answer by ashin(3) (Show Source):
You can put this solution on YOUR website!
t^2+81= 0
t^2= 0-81
t^2= -81
t= square root -81
t= square root (81*-1)
t= (square root 81)* (square root -1)
t= (+/-)9*i
t= (+/-)9i

Answer by DrBeeee(684) (Show Source):
You can put this solution on YOUR website!
Given:
(1) or
(2)
Now take the square root of both sides and get
(3) which is has two complex roots
(4) x = {-9i,9i}