What are the advantages of switching a quadratic function from standard form into vertex form

If u give wrong answer ill report u : )

Of four points are collinear, they are also coplanar

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?