The vertex of a parabola that opens downward is at (0, 6). The vertex of a second parabola is at (0, –6). If the parabolas intersect at two points, which statement must be true?

The second parabola opens upward.

The points of intersection are on the x-axis.

The second parabola opens downward.

The points of intersection are of equal distance from the y-axis.