Question

What value of c makes the polynomial below a perfect square?

x2 + 16x + c

c =
A. 64
B. 32
C. 4
D. 256

Answer 1

A :)

Answer 2

yes A is correct :)

Answer 3

take half of middle term, then square it

--> 16/2 = 8
--> 8^2 = 64
:)

Answer 4

its called completing the square :)