Quadratic Equations

Learners review how to use the completing-the-square method to identify maximum and minimum values of a quadratic function by watching a video. They see how the vertex form relates to the extreme values of a quadratic function, and use...

"The neat thing about completing the square is that it will always work," Sal explains, "no matter how crazy the problem is." A basic overview of how to complete the square, this video provides a good background for both beginning and...

What happens when factoring fails? Viewers learn how to rewrite quadratics that cannot be factored. They learn to complete the square to write quadratic in vertex form.

Completing the square is an effective way to solve a quadratic equation. Introduce your class to this technique and use this video to complement your lesson. This resource takes viewers through the process of completing the square,...

Determine the area of a square with quadratics. Pupils use the interactive to visualize the process of completing the square. Scholars build a square area model to represent a quadratic expression then determine the amount that needs to...

Starting with a quadratic equation in standard form, the instructor shows you how to rewrite the equation to vertex form. She shows step-by-step how to complete the square.

Solve equations by completing the square. The pupils factor quadratic equations and graph the parabola. They also identify the different terms in the equation and look for patterns.

An interactive aids in understanding of how to complete the square for a quadratic equation. A set of five challenge questions tests this understanding.

The instructor discusses how to solve a quadratic equation by completing the square. The verbal explanation is fairly complete, but the writing of the steps is rather vague.

This exciting video takes all of the mystery out of the quadratic formula. By watching this video, learners gain an deeper understanding of the quadratic formula and the process of completing the square. Sal shows a step-by-step proof of...