| M5 Home Page |
| Alan Selby | Quadratics |
| CSUSB - College Algebra Modules | Quadratic Functions |
| MathsDirect | Quadratic Equations |
| MathsRevision.net | Quadratic Equations |
| Paul's Online Math Tutorials and Notes | Quadratic Equations - Part I |
| Paul's Online Math Tutorials and Notes | Quadratic Equations - Part II |
| All About Circuits | Factoring Equivalencies |
| Denise Carlton | How to Spot a Trinomial Square |
| Denise Carlton | Recognizing and Factoring Trinomial Squares - Movie |
| Denise Carlton | Factoring the Difference of Two Perfect Squares |
| Denise Carlton | The Four Secrets to Trinomial Factoring |
| Denise Carlton | Factoring by Splitting the Middle Term |
| LTCC Online | GCF and Factoring Trinomials |
| MathsRevision.net | Factorising |
| All About Circuits | Quadratic Formula |
| Denise Carlton | The Quadratic Formula - How to Memorize It |
| Jim Loy | Quadratic Formula |
| Purplemath | Solving Quadratic Equations - Solving with the Quadratic Formula |
| University of Texas | Quadratic Formula |
| Coolmath | Quadratics: Solving Overview |
| Dan's Math | Solving Quadratic Equations |
| Dave Joyce | Quadratic and Cubic Equations |
| Paul's Online Math Tutorials and Notes | Solving Quadratic Equations: A Summary |
| Project GCSE | Quadratic Equations |
| Purplemath | Solving Quadratic Equations - Solving by Square-Rooting |
| Purplemath | Solving Quadratic Equations - "Solving" by Graphing |
| Purplemath | Solving Quadratic Equations - General Solving |
| Coolmath | Solving Equations by Factoring |
| Purplemath | Solving Quadratic Equations - Solving by Factoring |
| LTCC Online | Completing the Square and The Square Root Method |
| MathCentre | Completing the Square |
| Purplemath | Solving Quadratic Equations - Solving by Completing the Square |
| Wikipedia | Completing the Square |
| Dan's Math | Graphing Parabolas |
| MathsDirect | Quadratic Inequalities |
| Denise Carlton | Algebra Glossary |
| Destination Math | Mastering Algebra 1 Glossary |
| Jim Loy | Words of Mathematics |
| Denise Carlton | Factoring Trinomials Quiz |
| JRW | Factorising |
| Ken Cole | Factoring Trinomials Self-Quiz |
| Ken Cole | Harder Factoring Trinomials Self-Quiz |
| MathGuide | Quizmaster: Factoring Quadratic Trinomials - Easy |
| MathGuide | Quizmaster: Factoring Quadratic Trinomials - Hard |
| Denise Carlton | Factoring for x^2 + bx + c |
| Denise Carlton | Factoring for ax^2 + bx + c |
| Denise Carlton | Factoring for ax^2 + bx + c (including negatives) |
| Denise Carlton | Factoring by Splitting the Middle Term |
| LTCC Online | AC Method for Factoring Polynomials |
| CSUSB - College Algebra Modules | Graphing Quadratics |
| LTCC Online | Completing the Square |
| Math 1030 Online | Non-Linear Equations |
| MathGuide | Quizmaster: Quadratic Formula |
| Maths Online | Big Functions Graph Puzzle |
| Study Guides and Strategies | Quadratic Equation |
| Math.com | Algebra Worksheet Generator |
| EdHelper | Algebra Worksheets |
| EdHelper | Quadratic Equations Worksheets |