How to find a quadratic equation from 3 points
Easy peasy! Just plug your points into the standard quadratic equation formula ax^2 + bx + c = 0, and then solve the system of linear equations to find a, b, and c.
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Been there, done that! Take your three points (x1, y1), (x2, y2), (x3, y3), set up three equations in the form y = ax^2 + bx + c, solve for a, b, and c. Boom, quadratic equation found!
You can use the matrix method to solve three simultaneous equations derived from your points. It's a bit heavy on math, but it works perfectly!
Why reinvent the wheel? Use the SymPy library in Python, it'll handle the algebra for you!
Forget the fancy stuff, just use a quadratic regression calculator online!
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