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Why do you need x intercepts for quadratic equations?

Anonymous

∙ 14y ago

Updated: 11/4/2022

so you can find the solution for the x-values. the x-intercepts are when the graph crosses the x-axis

Wiki User

∙ 14y ago

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Is it possible for a quadratic equation to have more than 2 solutions?

No because quadratic equations only have 2 X-Intercepts

Do all graphs of linear equations have x intercepts?

YES, all linear equations have x-intercepts. because of the x, y has to be there 2!

How do you solve a quadratic equation graphically?

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

How do you find a gradient of a linear equation if you are told that it is a tangent to another quadratic equation?

Solve the two equations simultaneously for x. You will probably need the y value as well.Differentiate the quadratic equation.Find the value of the derivative when you substitute the value for x (from step 1) into the derivative.That is the gradient.Solve the two equations simultaneously for x. You will probably need the y value as well.Differentiate the quadratic equation.Find the value of the derivative when you substitute the value for x (from step 1) into the derivative.That is the gradient.Solve the two equations simultaneously for x. You will probably need the y value as well.Differentiate the quadratic equation.Find the value of the derivative when you substitute the value for x (from step 1) into the derivative.That is the gradient.Solve the two equations simultaneously for x. You will probably need the y value as well.Differentiate the quadratic equation.Find the value of the derivative when you substitute the value for x (from step 1) into the derivative.That is the gradient.

What does a quadratic equation graph have with a negative discriminant?

It has a complete lack of any x-intercepts.

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