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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.

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


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

Quadratic Equation Calculator - 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).

The x-intercepts are the points where a parabola crosses the x-axis. These points are also known as zeros, roots, solutions, and solution sets. The multistep process may seem tedious, but it is the most consistent method of finding the x-intercepts. More »
By Jennifer Ledwith, About.com Guide

How to solve a quadratic equation in standard form using the ...


Sal solves the equation -7q^2+2q+9=0 by using the quadratic formula.

Quadratic Equations: Quadratic Formula - SOS Math


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

Quadratic Formula -- from Wolfram MathWorld


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

Quadratic Equation -- from Wolfram MathWorld


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 Formula Calculator and Solver will calculate solutions ...


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

Popular Q&A
Q: How to Use The Quadratic Formula
A: The Quadratic Equation is used to find the zeroes of a quadratic equation. A quadratic equation is expressed in the form : y=ax^2+bx+c. This means that it has t... Read More »
Source: www.ehow.com
Q: How to Derive the Quadratic Formula.
A: Two Methods: Deriving the Formula. Learning to "Complete the Square". One of the most important skills an algebra student learns is the quadratic formula, or. x... Read More »
Source: www.wikihow.com
Q: How to Memorize the Quadratic Formula.
A: A fun, musical tune to help you memorize the formula. Steps. To the tune of "Pop Goes the Weasel" (the Jack in the Box Tune). Tune found at: http://www.enterton... Read More »
Source: www.wikihow.com
Q: What is the graph of a quadratic formula?
A: In general, quadratic equations have graphs that are parabolas. The quadratic formula tells us how to find the roots of a quadratic equations. If those roots ar... Read More »
Source: wiki.answers.com
Q: What is the quadratic formula?
A: x= [-b ± √b2- 4ac)] ÷ 2a A, B, and C can all correspond to the original quadratic equation as follows: ax2 + bx + c = 0 The quadratic formula can only be used i... Read More »
Source: wiki.answers.com