Determining the domain and range from a graph by completing the square to graph

The video tutorial covers quadratic functions, focusing on converting standard form to vertex form using completing the square. It explains the properties of equality in algebra and demonstrates graphing quadratics using vertex form and transformations. The tutorial concludes with a discussion on the domain and range of quadratic functions.

What does the axis of symmetry represent in a quadratic graph?

What is the domain of a quadratic function?

Describe how to find the range of a quadratic function.