SOLUTION: Apply using the quadratic formula to find the roots of the given function, graph the function. f(x) = x^2 - 4

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Apply using the quadratic formula to find the roots of the given function, graph the function. f(x) = x^2 - 4      Log On


   

Question 139165: Apply using the quadratic formula to find the roots of the given function, graph the function.
f(x) = x^2 - 4
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2-4
f(x)=(x+2)(x-2)
x+2=0
x=-2 answer.
x-2=0
x=2 answer.
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x%5E2+-4%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 -4).