Question

if I identify the vertex of this: y=xsquared+16x+64 is the vertex (1, 81?)

Answer 1

no,
from the general form ax^2 + bx + c
the x -coordinate for the vertex is -b/2a
what are your a, b and c?

Answer 2

No clue....this is the exact problem

Answer 3

read my post again

Answer 4

I did. a=1, b=16 and c=64