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Answered 2010-10-22 21:09:58

The most straightforward way to do this is to use the quadratic equation.

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How do you solve a quadratic equation graphically?

The roots of the quadratic equation are the x-intercepts of the curve.


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.



Why cant the zero product property be used to solve every quadratic equation?

If the discriminant of a quadratic equation is less than zero then it will not have any real roots.


What are you finding when you solve a quadratic equation?

You are finding the roots or solutions. These are the values of the variable such that the quadratic equation is true. In graphical form, they are the values of the x-coordinates where the graph intersects the x-axis.


What is the quadratic equation used for?

It is used to solve quadratic equations that cannot be factored. Usually you would factor a quadratic equation, identify the critical values and solve, but when you cannot factor you utilize the quadratic equation.


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.


The quadratic formula can be used to solve an equation only if the highest degree in the equation is?

The quadratic formula can be used to solve an equation only if the highest degree in the equation is 2.


What is the history of quadratic equations?

at first the first person to solve the quadratic equation is from the middle kingdom of Egypt. Greeks were also able to solve the quadratic equation but that was on the unproper way. Greeks were able to solve the quadratic equation by geometric method or equlid's method. equlid's method contains only three quadratic equation. dipohantus have also solved the quadratic equations but he have solved by giving only two roots any they both were only of positive signs.After that arbhatya also gave the two formulas for quadratic equation but the bentaguptahave only accepted only one of them after theat some of the Indian mathematican have also solved the quadratic equation who gave the proper definations and formula and in this way quadratic equation have been formed. Prabesh Regmi Kanjirowa National School


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 are the 4 methods to solve a quadratic equation?

You can solve a quadratic equation 4 different ways. graphing, which is quick but not reliable, factoring, completing the square and using the quadratic formula. There is a new fifth method, called Diagonal Sum Method, that can quickly and directly give the 2 roots in the form of 2 fractions, without having to factor the equation. It is fast, convenient, and is applicable whenever the equation can be factored. Finally, you can proceed solving in 2 steps any given quadratic equation in standard form. If a=1, solving the equation is much simpler. First, you always solve the equation in standard form by using the Diagonal Sum Method. If it fails to find answer, then you can positively conclude that the equation is not factorable, and consequently, the quadratic formula must be used. In the second step, solve the equation by using the quadratic formula.


How do you solve a quadratic equation that will not factor?

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.


Is it true The Quadratic Formula can be used to solve any quadratic equation?

No. Well, it depends what you mean with "any quadratic equation". The quadratic formula can solve any equation that can be converted to the form: ax2 + bx + c = 0 Note that it involves only a single variable. There are other limitations as well; for example, no additional operations. If a variable, or the square of a variable, appears in the denominator (1/x, or 1/x2), then some might say that it is "quadratic", but it might no longer be possible to convert the equation into the standard form named above. Similarly, if you have additional operations such as square roots or higher roots, trigonometric functions, etc., it might not be possible to convert the equation into a form that can be solved by the quadratic formula.


Why can't an equal 0 in a quadratic equation?

a is the coefficient of the x2 term. If is a = 0, then it is no longer a quadratic - it is just a linear equation, and the quadratic formula will not work to solve it.


How do you solve quadratic equation?

By finding the x represents variable


What are the pros and cons of the quadratic equation?

Pros: There are many real life situations in which the relationship between two variables is quadratic rather than linear. So to solve these situations quadratic equations are necessary. There is a simple equation to solve any quadratic equation. Cons: Pupils who are still studying basic mathematics will not be told how to solve quadratic equations in some circumstances - when the solutions lie in the Complex field.


How do you solve 12x squared plus 9x plus 15 equals 0 with quadratic formula?

It can't be solved because the discriminant of the given quadratic equation is less than zero meaning it has no real roots.


How do you solve quadratic functions step by step?

There are different methods of using quadratic functions depending on the equation.


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

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


How do you use the quadratic formula to solve a quadratic equation?

You convert the equation to the form: ax2 + bx + c = 0, replace the numeric values (a, b, c) in the quadratic formula, and calculate.


How do you do a parabola?

A parabola is a graph of a 2nd degree polynomial function. Two graph a parabola, you must factor the polynomial equation and solve for the roots and the vertex. If factoring doesn't work, use the quadratic equation.


How do you solve quadratic equation by competing the square which is not a perfect square?

let, equation is ax2+bx+c=0 so, its solution will be x= (-b-sqrt(b*b-4ac))/2a x= (-b+sqrt(b*b-4ac))/2a it is generalized equation for finding roots of Quadratic eq.


Solve x2 - 8x plus 32?

x2 - 8x + 32 = 0 (assuming)you can factor or use the quadratic equation.I recommend the quadratic equation.


Solve this quadratic equation x2 plus 2x - 22 equals 0?

Using the quadratic equation formula:- x = 3.795831523 or x = -5.795831523


How do you solve for x in the equation x2-2x-2 equals 0?

To solve for x in the equation x2 - 2x - 2 = 0, use the quadratic equation, that is: For 0 = ax2 + bx + c, the roots (values of x) are defined as: x = [-b +/- sqrt(b2 - 4ac) ] / 2a (If that's hard to understand, google "quadratic formula"). It works out to x = 2.73, -0.73.


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