Determine if the expression is a perfect square and if it is, factor it.
a^2 – 8a + 16

A.
(a + 4)(a – 4)

B.
(a – 4)(a – 4)

C.
not a perfect square

D.
(4a + 1)2

Question

Determine if the expression is a perfect square and if it is, factor it.
    a^2 – 8a + 16
 
 A.
(a + 4)(a – 4)
 
 B.
(a – 4)(a – 4)
 
 C.
not a perfect square
 
 D.
(4a + 1)2

shamil98 · Answer

ax^2 + bx + c  = 0
c is positive and b is negative
negative x negative = positive
so your answer based on this deduction would be?..

anonymous · Answer

A right @shamil98

shamil98 · Answer

-4 + (-4) = -8  
right?
and -4 x - 4= 16
think about it.

anonymous · Answer

Oh ok im totally not guessing I thought about it and Its B @shamil98

anonymous · Answer

Right?

shamil98 · Answer

Yes.