Quadratic Calculator

This Quadratic Calculator requires to be downloaded to be executed. The user inputs a quadratic equation, and it will provide the vertex and x-intercepts of the equation. The user can also use it to find an x-value given a y or vice versa. The program provides unrounded values by expressing them in fractional form and square roots.

How to Use

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How to Use

Click the download link to download and run the application. Input the equation by putting the a, b, and c coefficients in fractional form. The program will print out the vertex and x-intercepts of this function (also in fractional form).

The application will allow you to find x, find y, or exit. To find an x-value, input the corresponding y. The program will print out 0, 1, or 2 matching x-values based on the y. To find a y-value, put in the x. The program will print out the result. To exit, simply put 'e' for exit.

Also note that since the program gives the x-intercepts of the function, it can help you to factor a quadratic expression. It cannot give you the direct factored expression, but you can use it to check your work. For example, y = 3x^2 + 10x - 8 which factors to y = (3x-2)(x+4), can be checked since the x-intercepts are (2/3, 0) and (-4, 0).