brazil-enem 2011 Q155

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

A função $f(x) = x^2 - 4x + 3$ tem vértice no ponto
(A) $(1, 0)$ (B) $(2, -1)$ (C) $(3, 0)$ (D) $(2, 1)$ (E) $(4, 3)$

A função $f(x) = x^2 - 4x + 3$ tem vértice no ponto

(A) $(1, 0)$
(B) $(2, -1)$
(C) $(3, 0)$
(D) $(2, 1)$
(E) $(4, 3)$