Confused need help

[Dominic]

I'm not if I did this right let me know.

Find the value of "c" that makes eacg trinomial a perfect square:

x^2+16x+c

I got as an answer:

c= (16/2)^2
=(8)^2
=64

 

[tkhunny]

Excellent.

Then you can multiply out (x+8)² and check the result.

 

[Dominic]

Thank you.