The vertex of the parabola y=x2−6x+5y = x^2 - 6x + 5y=x2−6x+5 is at which point?
(3,−4)(3, -4)(3,−4)
(3,4)(3, 4)(3,4)
(−3,−4)(-3, -4)(−3,−4)
(6,5)(6, 5)(6,5)