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

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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.

A quadratic equation.

Square

A quadratic equation

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 x square term is what?

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

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.

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.

How you solve an equation that doesn't factor is to plug a quadratic equation's format; ax2+bx+c into the quadratic formula which is x=-b+square root to (b2-4ac)/2a.

Quadratic equations are called quadratic because quadratus is Latin for ''square'';in the leading term the variable is squared. also...it is form of ax^2+bx+c=0

Without an equality sign and no square variable the given terms can not be that of a quadratic equation.

Using the quadratic equation formula or completing the square

Of or pertaining to a square, or to squares; resembling a quadrate, or square; square., Tetragonal., Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.

Rational.

It is the equation inside the square root of the Quadratic FormulaIf > 0 there is a solutionIf < 0 there is no solutionBecause you can not calculate the Square Root of a Negative Number

The two solutions are coincident.

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

Quadratic equations are called quadratic because quadratus is Latin for "square"; in the leading term the variable is squared.

Radicand

Yes it is quite possible

it shld be on completing d 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

If you know how to complete the square, this link will finish the job for you. http://www.mathsisfun.com/algebra/quadratic-equation-derivation.html

Using the quadratic equation formula: x = -5-/+ the square root of 7

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