SOLUTION: f(x)= x^2 -4 find roots and graph

SOLUTION: f(x)= x^2 -4 find roots and graph

Algebra.Com

Question 144662: f(x)= x^2 -4 find roots and graph
Answer by checkley77(12844) (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 or (2,0)
x+2=0
x=-2 or (-2,0)
y=-4 or (0,-4)
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 -4).
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