Find the vertex of the parabola y=x2−24x+12y = x^2 - 24x + 12y=x2−24x+12.
(11, −132)(11,\ -132)(11, −132)
(12, −132)(12,\ -132)(12, −132)
(13, −133)(13,\ -133)(13, −133)
(−12, −132)(-12,\ -132)(−12, −132)