Question

The point (-5,-4) lies on the graph of a quadratic function whose axis of symmetry is x=-1. Find another point on the graph.

Answer 1

(3,-4)

Explanation:

Line of symmetry is x = h

y = a(x - h)² + k

If y = -4 at x = 5,

y = -4 at:

x = -1 + (-1 - (-5)) = -1 + 4 = 3