How to find the vertex of a parabola.
How to find the vertex, intercepts, domain and range of a quadratic graph.
How to graph a horizontal parabola in vertex form.
How to talk about a parabola.
How to define the focus and directrix of a parabola.
How to graph parabolas that are wide or skinny or upside down without making a table of values.
How to use the shape of a parabola to find a maximum or minimum.