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

Answer 1

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?..

Answer 2

A right @shamil98

Answer 3

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

Answer 4

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

Answer 5

Right?

Answer 6

Yes.