The key features of
polynomials are the vertex, axis of symmetry, x and y intercepts.
1.
The degree will help you find the end behavior.
2. The vertex shows you where it changes concavity.
3. X and y intercepts give you a couple of points
of reference.
4. Axis of symmetry is only applicable to even
degree polynomials.
I am hoping that these answers
have satisfied your queries and it will be able to help you in your endeavors, and
if you would like, feel free to ask another question.