The quadratic formula is arguably one of the most well-known and important formulas in math. In this lesson, look at the definition of the quadratic formula, its standard form, how to plug in your ...

The proof of the quadratic formula involves starting with a quadratic equation, ax^2+bx+c=0 and then solving for x. This process involves taking the square, combining fractions, taking the square ...

The quadratic formula is x = -b +/- sqrt (b^2 - 4ac) / 2a. It is a very important formula in mathematics which can be used to find the real (or complex) solutions to any quadratic equation.

Learn how to solve quadratic equations in just 5 minutes! Our video lesson covers its three methods including factoring and the quadratic formula, plus a quiz.

Learn how to apply the quadratic formula, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Learn how to convert quadratic equations from general to vertex form, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Knowing how to find the vertex of a quadratic function will help us to sketch the graph of a quadratic function having only seen its equation or given a few points.

Understand the meaning of the roots of an equation and how to find the roots of a quadratic equation. Also, see the formula used in finding the roots of a quadratic equation.

Learn how to solve a quadratic equation with complex roots, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

The vertex form of a quadratic equation is a formula used to easily identify the minimum or maximum point of a parabola, or the vertex. Learn more about the vertex form and its relationship with ...