Po-Shen Loh’s Method: Solve Quadratics WITHOUT the Quadratic Formula

Most students learn to solve quadratic equations by factoring, completing the square, or using the quadratic formula. But what if there were another way to solve quadratics using something you already know—the axis of symmetry? In this video, you’ll learn Po-Shen Loh’s method for solving quadratic equations, an alternative approach that uses the relationship between […]

3 Variable Systems: Turn It Into a 2 Variable System

In this video, you’ll learn how to solve systems of equations with three variables using a simple organizational trick. Three variable systems can look intimidating but once the system becomes a standard two-variable system, the solution becomes much easier to find. In this lesson you’ll learn: • How to organize a 3 variable system • […]