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x is equal to negative b plus or minus the square root of b squared minus 4 times "a" times "c" all over 2 times "a"

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Q: Is there a formula for solving quadratic equations?
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Related questions

What form is the solving for the roots of quadratic equations?

Using the quadratic equation formula or completing the square


What are the best on-line calculators for solving quadratic equations by using the quadratic formula?

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


How many methods are there for solving quadratic equations?

There are several methods for solving quadratic equations, although some apply only to specific quadratic equations of specific forms. The methods include:Use of the quadratic formulaCompleting the SquareFactoringIterative methodsguessing


Give some examples where Quadratic equations is used in daily life?

Quadratic equations can be used in solving problems where the formula is given, falling object problems and problems involving geometric shapes.All types of engineering professions use the quadratic formula since it applies to ordinary differential equations.


Can all quadratics be solved by completing the square?

Completing the square is one method for solving a quadratic equation. A quadratic equation can also be solved by factoring, using the square roots or quadratic formula. Solving quadratic equations by completing the square will always work when solving quadratic equations-You can also use division or even simply take a GCF, set the quantities( ) equal to zero, and subtract or add to solve for the variable


When solving a quadratic equation by factoring what method is used?

Start with a quadratic equation in the form � � 2 � � � = 0 ax 2 +bx+c=0, where � a, � b, and � c are constants, and � a is not equal to zero ( � ≠ 0 a  =0).


What is the quadratic formula for?

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.


What is the graph of a quadratic formula?

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 are real, they are the x intercepts of the parabola.


When do you use the Quadratic Formula in math?

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


When will you apply surds in real life?

You will apply them when solving quadratic equations in which the quadratic expression cannot be factorised.


What is the quadratic formula used for?

The quadratic formula is used all the time to solve quadratic equations, often when the factors are fractions or decimals but sometimes as the first choice of solving method. The quadratic formula is sometimes faster than completing the square or any other factoring methods. Quadratic formula find: -x-intercept -where the parabola cross the x-axis -roots -solutions


Solving quadratic equations by factoring?

(k + 1)(k - 5)= 0