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Quadratic formula.

It's easier to remember and you have to do less work.

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โˆ™ 2011-07-09 13:12:01
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Q: What did you choose completing the square or quadratic formula and why?
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Related questions

What is the origin of the quadratic formula?

The quadratic formula is derived by completing the square. That is as much as I can tell you.


What is an equation that can be used in quadratic formula completing the square and factoring?

A quadratic equation.


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

Using the quadratic equation formula or completing the square


What are the methods use in solving quadratic equation?

By using the quadratic equation formula or by completing the square


What is the third step in solving this equation by completing the square?

Completing the square is one method for solving a quadratic equation. A quadratic equation can also be solved by several methods including factoring, graphing, using the square roots or the quadratic formula. Completing the square will always work when solving quadratic equations and is a good tool to have. Solving a quadratic equation by completing the square is used in a lot of word problems.I want you to follow the related link that explains the concept of completing the square clearly and gives some examples. that video is from brightstorm.


What does it mean in algebra to complete the square?

A quadratic equation can be solved by completing the square which gives more information about the properties of the parabola than with the quadratic equation formula.


How was the quadratic formula developed?

The quadratic formula can be derived by used a method called completing the square. It's like using algebra to solve for x. The process is explained the related link "Derivation of Quadratic Formula".


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


Who found the quadratic formula?

It comes from completing the square of a general quadratic. Many people believe Brahmagupta first solved this in 628 AD.


What equation results from completing the square and then factoring?

A quadratic equation


11 x 2 -34 x 3 equals to 0 by Completing Square From Quadratic Equation?

If you mean: 11x2-34x+3 = 0 then the solutions are x = 1/11 and x = 3 by completing the square or using the quadratic equation formula


How do you derived quadratic function?

I believe by completing the square.


Can the answer to a quadratic equation be a decimal?

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.


Solving quadratic equation by completing the square?

Yes it is quite possible


What would be the project about quadratic equation?

it shld be on completing d square,,,


What is the advantage of using completing the square vs the quadratic formula?

Completing the square is advantageous in several situations:usually, it requires fewer steps than the quadratic formula, reducing the potential for error.it allows you to determine the exact value of the answer instead of a decimal approximation.it allows you to determine imaginary solutions.


Is it OK to use the quadratic formula if the given quadratic trinomial is not factorable?

Well, if the given quadratic equation cannot be factored, nor completed by the square, try using the quadratic formula.


What is completing the square used for?

Completing the square is a method used to solve a quadratic function. This is a handy method when there are two instances of the same variable in the function.


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


How do you formulate quadratic equation that can be solve by extracting square roots?

By using the quadratic equation formula


What are the solutions to the quadratic formula?

The quadratic formula is x=-b (+or-) square root of b2-4ac all over 2a


What is true about the solutions of a quadratic equation when the radicand of the quadratic formula is a perfect square?

The two solutions are coincident.


Why do you use square roots to solve quadratic equations?

Because it's part of the quadratic equation formula in finding the roots of a quadratic equation.


What is the quadratic formula cannot be used to solve an equation if the coefficient of the equation x square term is?

The quadratic formula cannot be used to solve an equation if the coefficient of the equation x square term is what?


What is a solution of a quadratic?

A quadratic function is ax2+bx+c You can solve for x by using the quadratic formula, which, as the formula requires the use of square roots, would be tricky to put here.