How to find the quadratic equation of a graph
Just identify the vertex and a point on the graph, use vertex form y = a(x-h)^2 + k, then plug in and solve.
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Take three points from your graph, plug 'em into the standard form y = ax^2 + bx + c, and solve for a, b, and c. Math magic!
Use an online quadratic regression calculator. It鈥檚 fast, and you get your equation without breaking a sweat.
If you have a graphing calculator, you can use its regression feature to find the quadratic equation directly from your data points. Super handy!
Frankly, just draw the curve, note down the key points, and let your math intuition guide you to the answer. It's an art, really.
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