Could you please describe the roles of a, h, and k in quadratic relations in vertex form: y = a(x - h)2 + k. Describe the roles of a, h, and k in terms of how they transform the parent function y = x2.

Could you please describe the roles of a, h, and k in quadratic relations in vertex form: y = a(x - h)2 + k. Describe the roles of a, h, and k in terms of how they transform the parent function y = x2.