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Quadratic formula

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 ...

The Quadratic Formula Explained - Purplemath

www.purplemath.com/modules/quadform.htm

Demonstrates the use of the Quadratic Formula and compares the Formula to solving-by-factoring.

Quadratic Equations: Quadratic Formula - SOS Math

www.sosmath.com/algebra/quadraticeq/quadraformula/quadraformula.html

Consider the general quadratic equation. displaymath90. with tex2html_wrap_inline92 . First divide both sides of the equation by a to get. displaymath96.

Quadratic Formula Calculator - MathPapa

www.mathpapa.com/quadratic-formula/

gives you step-by-step help on using the quadratic formula. Solve an equation of the form a x 2 + b x + c = 0 by using the quadratic formula: x = ...

Quadratic Formula - Regents Exam Prep Center

www.regentsprep.org/regents/math/algtrig/ate3/quadformula.htm

The solutions of some quadratic equations, ( ), are not rational, and cannot be obtained by factoring. For such equations, the most common method of solution is ...

Quadratic Equation -- from Wolfram MathWorld

mathworld.wolfram.com/QuadraticEquation.html

The Greeks were able to solve the quadratic equation by geometric methods, and Euclid's (ca. 325-270 BC) Data contains three problems involving quadratics.

Quadratic Equation Solver - Math is Fun

www.mathsisfun.com/quadratic-equation-solver.html

Quadratic Equation Solver. If you have an equation of the form "ax<sup>2</sup> + bx + c = 0", we can solve it for you. Just enter the values of a, b and c below. a. x<sup>2</sup> +. b. x +.

Quadratic Formula Calculator and Solver will calculate solutions ...

www.mathwarehouse.com/quadratic/quadratic-formula-calculator.php

Quadratic Formula Calculator and solve to find solutions to quadratic equations.

The Quadratic Formula - Cool Math

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.

Complex Numbers in the Quadratic Formula - Cool Math

www.coolmath.com/algebra/10-complex-numbers/03-quadratic-formula-01

This algebra lesson explains how to use the quadratic formula when you get complex solutions.

Answer
The quadratic formula is x = (-b ± √b^2 - 4ac)/2a. It is used to find the value of x in the ax^2 + bx + c = 0 form of an quadratic euqation.
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The quadratic formula | Quadratic equations and functions | Khan ...

www.khanacademy.org

The quadratic formula lets you solve for x in a quadratic equation (equations of the form ax² + bx + c = 0). Learn how to use it with an example!

Quadratic Equation Calculator - Math.com

www.math.com

Quadratic Equation Enter the coefficients for the Ax<sup>2</sup> + Bx + C = 0 equation and Quadratic Equation will output the solutions (if they are not imaginary).

Quadratic Formula -- from Wolfram MathWorld

mathworld.wolfram.com

Quadratic Formula. EXPLORE THIS TOPIC IN the MathWorld Classroom. The formula giving the roots of a quadratic equation ...