SOLUTION: Find the real number root for -1.69 . I got -0.845 and -1.3 . Can you tell me if i'm right please ?

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Find the real number root for -1.69 . I got -0.845 and -1.3 . Can you tell me if i'm right please ?       Log On


   



Question 287697: Find the real number root for -1.69 . I got -0.845 and -1.3 . Can you tell me if i'm right please ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the real number root for -1.69 . I got -0.845 and -1.3 . Can you tell me if i'm right please
-------------------------
If x^2 = -1.69
x^2+1.69 = 0
Factor:
(x+1.3i)(x-1.3i) = 0
x = -1.3i or x=-1.3i
===========================
Cheers,
Stan H.