Derive the equation of a parabola with Focus at coordinates (a, c) and Directrix at y = c using a Desmos graphing calculator. There is a companion worksheet for this activity, which subscribers can download. The worksheet is a PDF file.

In this video, students learn about step functions on a Desmos graphing calculator. They then go about using the functionality of Desmos to create a moving escalator with a figure standing on it.

In this Slide Show, use the Desmos graphing calculator to explore square root functions.

In this Slide Show, use the Desmos graphing calculator to explore quadratic functions in standard form.

This set of tutorials provides 28 examples of rational functions in tabular and graph form.

This set of tutorials provides 40 examples of square root functions in tabular and graph form.

This slide show provides 8 examples of quadratic functions in factored form and analyzes their graphs.

This slide show provides 8 examples of quadratic functions in factored form and analyzes their graphs.

This slide show provides 18 examples of quadratic functions in standard form and analyzes their graphs.

This slide show provides 18 examples of quadratic functions in standard form and analyzes their graphs.

This slide show provides 8 examples of quadratic functions in vertex form and analyzes their graphs.

This slide show provides 8 examples of quadratic functions in vertex form and analyzes their graphs.

In this Slide Show, learn what it means to evaluate a function.

In this Slide Show, learn about graphs of linear functions.

In this Slide Show, learn about graphs of quadratic functions.

INSTRUCTIONAL RESOURCE: Tutorial: Point-Slope Form (SAT Prep)

This slide show shows the structure of a linear function.

This slide show shows the structure of a quadratic function.

In this Slide Show, learn what a function is.

This slide show covers the basics of quadratic functions.

In this Slide Show, learn about funciton notation in the context of evaluating or transforming a function.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.

This is part of a collection of math quizzes on the topic of graphs of logarithmic functions.