Use the vertex (h, k) and a point on the graph (x, y) to find the general form of the equation of the quadratic function. (h, k) = (2, 0), (x, y) = (4, 4)

Answer 1

f(x) = a(x - 2)² + 0

f(4) = 4

a(4 - 2)² = 4

4a = 4

x = 1

f(x) = (x - 2)²