SOLUTION: How do I find the x intercepts of (x+4)^2 -3 I know how to find the vertex (-4,-3) and an y intercept (0.13) but I don't know how to factor it to get the x intercepts.

Algebra ->  Rational-functions -> SOLUTION: How do I find the x intercepts of (x+4)^2 -3 I know how to find the vertex (-4,-3) and an y intercept (0.13) but I don't know how to factor it to get the x intercepts.      Log On


   



Question 343758: How do I find the x intercepts of (x+4)^2 -3
I know how to find the vertex (-4,-3)
and an y intercept (0.13) but I don't know how to factor it to get the x intercepts.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Don't factor it, set it equal to zero.
%28x%2B4%29%5E2+-3=0
%28x%2B4%29%5E2+=3
x%2B4=0+%2B-+sqrt%283%29
highlight%28x=-4+%2B-+sqrt%283%29%29