What Is the 4th Step in Graphing a Quadratic Equation $y = a x ^ { 2 } + b x + c$

Multiple Choice

What is the 4th step in graphing a quadratic equation $y = a x ^ { 2 } + b x + c$ ?

A) Find the intercepts.
B) Plot points, using symmetry.
C) Draw the parabola.
D) Test for opening upward\downward.