Question

What value of b makes the trinomial below a perfect square x2 - bx + 16​

Answer 1

Answer: (x-4)^2

Explanation:

Answer 2

A perfect square is when a trinomial can be factored into a binomial multiplied by itself right? If that's the case then I think b=8

x^2-8x+16

x^2-2×x×4+4^2

(x-4)^2