Solving Quadratic Equations Teacher Resources

Students learn how to determine the discriminant and use it to find the real solutions to a quadratic equation. Videos and graphs are included in the resource.

Explains how to determine the number of solutions a quadratic equation has based on the value of the discriminant.

This MathWorld site shows how to derive the quadratic formula.

College professor Dan Bach presents a review of algebra concepts, including factoring, quadratic equations, and graphing parabolas. The examples are detailed, but easy to follow. This is a good site for reviewing before tests and quizzes.

This task asks students to solve a quadratic equation in as many different ways as they can. Aligns with A-REI.B.4 and A-REI.D.11.

An interactive quiz which provides students with a problem involving a polynomial function to be solved. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are...

[Free Registration/Login Required] In this flipchart, students interpret and graph quadratic curves. Students solve quadratic equations and then use the graphing features to graph the resultant quadratic curve.

Three problems offer practice with compound interest. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each step of your...

Generate easy and hard worksheets for factoring polynomials. solving quadratic equations, and multiplying polynomials.

This article gives a definition of quadratic equations, then demonstrates how to solve them. Factoring, completing the square and the quadratic formula are the methods described. The examples are accompanied by lists of steps for solving...

Tips for factoring quadratics are given and demonstrated in several examples. The examples include quadratics that have both two and three terms.

Students can input an equation and have the site solve it for them, complete with steps shown and explanations given along the way. Equations must be simple, first- or second-degree with only one variable. A quick list of rules to follow...

This presentation of the quadratic equation includes a discussion on the discriminant and a derivation of the quadratic formula.

Using the quadratic formula with terms that include trigonometric expressions is shown here. [3:03]

This lesson describes how to use the quadratic formula to determine the solution of a quadratic equation in a specific format. It is 4 of 16 in the series titled "Using the Quadratic Formula." Includes a short multiple-choice quiz. [2:30]

This lesson describes how to use the quadratic formula to determine the solution of a quadratic equation in a specific format. It is 9 of 16 in the series titled "Using the Quadratic Formula." Includes a short multiple-choice quiz. [2:56]

Using geometrical diagrams, the process of completing the square is demonstrated. Applying this visual approach will help to see why the process works.

The process of completing the square is presented with a detailed description of the process and an example to show the work step by step. An example with a non-integer leading coefficient is also included.

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

[Free Registration/Login may be required to access all resource tools.] Understanding the equations of parabolas

[Free Registration/Login may be required to access all resource tools.] This lesson covers fitting a data set to a quadratic equation.

[Free Registration/Login may be required to access all resource tools.] This lesson covers how to use a graphing calculator to graph quadratic equations. Students examine guided notes, review guided practice, and attempt practice problems.

[Free Registration/Login may be required to access all resource tools.] In this lesson students learn about graphing and solving quadratic inequalities. Students examine guided notes, review guided practice, watch instructional videos...

Reference material and practice problems using the quadratic formula.