en.wikipedia.org/wiki/Quadratic_formula

In elementary algebra, the **quadratic formula** is the solution of the quadratic
equation. There are other ways to solve the quadratic equation instead of using
the ...

www.khanacademy.org/math/algebra/quadratics/solving-quadratics-using-the-quadratic-formula/v/using-the-quadratic-formula

With the **quadratic formula**, we can solve any quadratic equation! Learn how to
use it with an example.

www.khanacademy.org/math/algebra/quadratics/solving-quadratics-using-the-quadratic-formula/a/quadratic-formula-explained-article

The **quadratic formula** helps you solve quadratic equations, and is probably one
of the top five formulas in math. We're not big fans of you memorizing formulas, ...

www.purplemath.com/modules/quadform.htm

Demonstrates the use of the **Quadratic Formula** and compares the
QuadraticFormula to the solutions found by factoring.

www.mathpapa.com/quadratic-formula

Shows you the step-by-step solutions using the **quadratic formula**! This calculator
will solve your problems.

www.purplemath.com/modules/solvquad4.htm

Reviews how to solve quadratics by using the **Quadratic Formula**. Warns against
common errors, such as forgetting the "±" in front of the radical. Includes a song ...

www.webmath.com/quadform.html

This page will show you how to use the **quadratic formula** to get the two roots of a
quadratic equation. Fill in the boxes to the right, then click the button to see ...

www.coolmath.com/algebra/09-solving-quadratics/05-solving-quadratic-equations-formula-01

This algebra lesson explains how to solve quadratic equations using the
**quadratic formula**.

www.math.com/students/calculators/source/quadratic.htm

**Quadratic** Equation Enter the coefficients for the Ax^{2} + Bx + C = 0 equation and
**Quadratic** Equation will output the solutions (if they are not imaginary).