Find the Coordinates of the Vertex, and Indicate Whether the Vertex

Multiple Choice

Find the coordinates of the vertex, and indicate whether the vertex is the highest point on the graph or the lowest point on the graph.

A) vertex = (0, 0) ; it is the highest point.
B) vertex = (-6, 8) ; it is the lowest point.
C) vertex = (-3, 9) ; it is the highest point.
D) vertex = (-3, -9) ; it is the lowest point.
E) vertex = (6, 12) ; it is the highest point.