Use the V 1 of the parabola to fill in the table. ':A (a) Does the parabola open upward or downward? O upward 0 downward (b) Find the interceps). 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): I] y-intercept(s): I] (c) Find the equation of the axis of symmetry. equation of axis of symmetry: [I (d) Find the coordinates of the vertex. vertex: (1], [D