Determine whether the polynomial is a difference of squares and if it is, factor it.

y2 – 16

A.
is a difference of squares: (y – 4)(y + 4)

B.
is not a difference of squares

C.
is a difference of squares: (y – 4)2

D.
is a difference of squares: (y – 8)(y + 8)

Question

Determine whether the polynomial is a difference of squares and if it is, factor it. 
 
y2 – 16
 
 A.
is a difference of squares: (y – 4)(y + 4)
 
 B.
is not a difference of squares
 
 C.
is a difference of squares: (y – 4)2
 
 D.
is a difference of squares: (y – 8)(y + 8)

anonymous · Answer

It's a difference of squares y^2-16 = (y-4)(y+4)