The vertex of a parabola that opens downward is at open paren 0 comma 4 close paren The vertex of a second parabola is at open paren 0 comma negative 4 close paren If the parabolas intersect at two points, which statement must be true?
Answer
A
The second parabola opens downward.
B
The second parabola opens upward.
C
The points of intersection are on the x -axis.
D
The points of intersection are of equal distance from the y -axis.