(a) Does the parabola open upward or downward?
(b) Find the intercept(s).
For both the x - and y -intercept(s), make sure to do the following.
If there is more than one, separate them with commas.
If there are none, select "None".
x -intercept(s):
y -intercept(s):
(c) Find the equation of the axis of symmetry.
equation of axis of symmetry:
(d) Find the coordinates of the vertex.
vertex:
