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Q: What is an example of completing the square?

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If you aren't dealing with algebra, such as x2+3x+21, then completing the square wont be able to solve the porblem, however if you are using algebra, and you cannot factorise, then completing the square will always work

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.

I believe 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.

A quadratic equation

the problem is not proper to slove. I just want to suggest to follow the related link that explains the concept of completing the square clearly.

X+y^2+2y=-1

Yes it is quite possible

it shld be on completing d square,,,

I couldn't answer the question because the question is not proper to slove. I just want you to follow the related link that explains how to solve the equation by completing the square.

Completing the square will work when the solutions are irrational. Finding irrational factors is extremely difficult.

i want to solve few questions of completing square method can u give me some questions on it

The related link "Purple Math" has an in depth explanation.

A quadratic equation.

i think yousub the side

12

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

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

Completing the square is a method to solve quadratic equations. To use this method you take the number without a variable and subtract it from both sides, so that it is on the opposite side of the equation. Then add the square of half the coefficient of the x-term to both sides. This will give you a perfect square equation to solve for.

computer software for completing calculations (:

x^2-16x=-15 x^2-16x+(-8)^2=-15+(-8)^2 (x-8)^2=49 (x-8)^2=+-7 8+7=15 8=7=1 The solutions are 15 and 1. You can use the example above to solve quadratic equations by completing the square.

Yes, it won't be exact, but you can round the number to get a close estimate.

Using the quadratic equation formula or completing the square

By using the quadratic equation formula or by completing the square