brazil-enem 2024 Q176

brazil-enem · Other · enem__day2 Completing the square and sketching Vertex and parameter conditions for a quadratic graph

The parabola $y = x^2 - 6x + 8$ has vertex at:
(A) $(2, 0)$
(B) $(3, -1)$
(C) $(3, 1)$
(D) $(4, 0)$
(E) $(6, 8)$

The parabola $y = x^2 - 6x + 8$ has vertex at:

\noindent(A) $(2, 0)$\\
(B) $(3, -1)$\\
(C) $(3, 1)$\\
(D) $(4, 0)$\\
(E) $(6, 8)$