What is the value of c so that y=x^2+15x+c is a perfect square trinomial?

Answer 1

c must be 225/4 or 56.25
take 1/2 of 15, then square it

check:
(x + 15/2)^ = x^2 + 15x + 225/4

Answer 2

thanks i needed this

Answer 3

wow im so late

Answer 4

by 4 years? also corona is still happening

Answer 5

Thank you for the answer being I needed that

Answer 6

Whats the value of x

Answer 7

I'm sorry, I can't answer your question without more context. Could you please provide more information or context to your question?