Quadratic Function Teacher Resources

Find a quick, concise explanation of the quadratic equations. An example is given and clearly explained.

This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."

This lesson demonstrates what nonlinear functions might look like. It is 4 of 5 in the series titled "Examples of Nonlinear Functions."

This lesson introduces and defines extrapolation of data. It is 2 of 5 in the series titled "Extrapolation."

The upwards or downwards of a function on a graph is shown in this lesson. It is 5 of 7 in the series titled "Shifting Up and Down."

The upwards or downwards of a function on a graph is shown in this lesson. It is 7 of 7 in the series titled "Shifting Up and Down."

The upwards or downwards of a function on a graph is shown in this lesson. It is 1 of 7 in the series titled "Shifting Up and Down."

The upwards or downwards of a function on a graph is shown in this lesson. It is 6 of 7 in the series titled "Shifting Up and Down."

Explains how to solve two different quadratic equations using the completing the square method. [14:06]

Gain an understanding of how to solve a quadratic equation using the quadratic formula by viewing examples and a video lesson. [2:23]

Practice some multiple-choice problems solving quadratics by completing the square.

Solve quadratic equations using the quadratic formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Gain an understanding of how to use factoring to solve a quadratic equation by viewing examples and a video lesson. [2:13]

Analyze quadratic equations in order to determine how many different real number solutions they have. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve real-world word problems that involve quadratic models. In this exercise, that models are given in standard form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...

Solve quadratic equations of the form ax^2+bx+c by completing the square. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Solve quadratic equations of the form x^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve advanced equations by strategically using quadratic factorization methods. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve quadratic equations of the form ax^2+bx+c=0 that can be rewritten according to their linear factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Try these multiple-choice practice problems on completing the square.

Sal completes the quadratic x-squared minus 44x into a perfect square. [3:21]

Analyze the process of solving a quadratic equation by taking the square root. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve quadratic equations of the form x^2+bx+c by completing the square. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Solve quadratic equations of the form (x+a)squared-b=0. These can be solved using square roots. For example, solve (x-5)squared-4=0. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...