Video defining the vertex and axis of symmetry for a parabola. Vertex is found for a specific function by completing the square to change the equation from standard form to vertex form and then reasoning through the equation. Axis of...

This tutorial takes a look at the minimum of a quadratic function which is the lowest point on the graph of a U-shaped function. [1:59]

This tutorial takes a look at the maximum of a quadratic function which is the highest point on an upside-down U-shaped graph. [1:47]

Find out which quadratic function has the lowest maximum value. [3:58]