For numbers 6-8: In the equation y = x2 + 3x + 1, determine the opening of the graph, the coordinates of the vertex, and the equation of the axis of symmetry.
6. Opening of the graph A. to the left B. to the right C. downward D. upward
8. The equation of the axis of symmetry A x = 3/2 B. X=-3/2 C. X = 2/3 D. X = -2/3