Which statement about f(x)=x2−256

Question

is true?
The zeros are 128, because 0=(x−128)2
.


The zeros are −128 and 128, because 0=(x−128)(x+128)
.


The zeros are −16 and 16, because 0=(x+16)(x−16)
.


The zeros are 16, because 0=(x−16)2
.

Answer 1

The zeros are −16 and 16, because 0=(x+16)(x−16).