How to find roots of quadratic equation in Visual Basic? Program to find roots of quadratic equation in. A simple program to solve quadratic equations with. Quadratic Equation ExamplesĪ simple program to calculate quadratic equation with.Input MUST have the format. It is written in the form of a(xp)(xq) or a(xp)2. How to use our online graphing calculator Enter the equation of the line you would like to graph, then click the Plot Graph button to make the result. The factored form of a quadratic equation tells us the roots of a quadratic equation. The program also describes the nature of the roots. Quadratic Equation Solver is a small application to find out the root (s) of the quadratic equation rapidly. The vertex form of a quadratic equation is given by : f ( x) a ( x h) 2 + k, where ( h, k) is the vertex of the parabola. Instead, move the check to the determinant, like so (this is pseudo-code only): IF (B * B) - (4 * A * C).ĭemo of a working program Mainly using the if-else to compute for the roots of a quadratic equation. The square root of a negative number is imaginary, and that is the error you get when your code crashes. Your problem is that you are checking the wrong thing for negative value. SquareRoot = ((B ^ 2) - (4 * A * C)) If SquareRoot. This is the code I am using at the moment. When this happens I want it to display that there are no roots. I have made a program to solve a quadratic equation, and it works fine except for when the part in the square root is less than 0.
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