There are many more videos in the same sequence. This list is a minimum, but please watch more if they are helpful.
- Finding the vertex and axis of symmetry of a parabola. Example used is .
- Forms and features of quadratic functions (8:28)
Here we see how factoring can be used to find the zeros (-intercepts) and the vertex form reveals the vertex and axis of symmetry using .
- Practice finding the roots, vertex, and axis of symmetry of a quadratic function.