Question

Write the quadratic function in vertex form.
y = x2 - 16x + 57

Answer 1

What do you think?

Answer 2

I have no idea

Answer 3

lost everything
try again

HINT think about completing the square
general form ax^2 + bx + c
vertex form a(x-h)^2 + k
h = -b/2a and k = -(-c + h^2)

Answer 4

If you were to follow ^^^ You would get (8,-7)