The equation of a quadratic function is shown.

y = 6x^2 − 2

Which statement correctly describes the relationship between the equation and the graph that represents it?

A. The coefficient 6 causes the graph to open downward.


B. The constant -2 causes the graph to open downward.


C. The coefficient 6 causes the graph to open upward.


D. The constant -2 causes the graph to open upward.