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There are an infinite number of different quadratic equations.

The quadratic formula is a single formula that can be used to find

the pair of solutions to every quadratic equation.

Q: What is the difference between quadratic formula and quadratic equation?

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A quadratic equation normally has 2 solutions and can be solved by using the quadratic equation formula.

By using the quadratic equation formula

By using the quadratic equation formula or by completing the square

The discriminant

To find the roots (solutions) of a quadratic equation.

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The quadratic formula is used to solve the quadratic equation. Many equations in which the variable is squared can be written as a quadratic equation, and then solved with the quadratic formula.

A quadratic equation is any type of equation that can be represented as ax2 + bx + c. Example: x2 - 20x + 91 = 0. (a, b, c are known. They are the coefficients.) The coefficient of x2 is always a here. In this case, 1. The coefficient of x = b. In this case -20 (remember it's minus not plus). C is the constant. In this case that is 91. The quadratic formula is a straightforward (though it may seem complicated at first) formula which can solve any quadratic equation. http://bit.ly/1bBARRN There you have an image of the formula.

A quadratic equation.

Yes. You can calculate the two roots of a quadratic equation by using the quadratic formula, and because there are square roots on the quadratic formula, and if the radicand is not a perfect square, so the answer to that equation has decimal.

This formula is called the quadratic formula.

A quadratic equation normally has 2 solutions and can be solved by using the quadratic equation formula.

you use the quadratic formula in math when the quadratic equation you are solving cannot be factored.

A quadratic sequence is when the difference between two terms changes each step. To find the formula for a quadratic sequence, one must first find the difference between the consecutive terms. Then a second difference must be found by finding the difference between the first consecutive differences.

Simply learn and use the quadratic equation formula.

By using the quadratic equation formula

By using the quadratic equation formula or by completing the square

The quadratic formula cannot be used to solve an equation if the coefficient of the equation's x2-term is 0.