Posted by Gina on Monday, February 18, 2008 at 7:09pm.
+ and - 3.162278..
well, I think you mean
what are two solutions to
something^2 = 10
that something could be square root of ten which is about
3.16227766 etc
BUT it could also be
-3.16227766 etc
because negative times negative is positive
-3 times -3 is 9
just like
+3 times +3 is 9