Question

A parabola opens down and contains the points (-3,4) and (2, -1), Which of these points could be

the vertex of the parabola? Explain.

Answer 1

The vertex wold be (-3,4).

Explanation:

This is because it is the highest point on the parabola. Since the parabola points down, (-3,4) is the highest point, so it is the vertex.