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Quadratic equations are very important in calculating the motion of bodies under constant [[acceleration]], e.g., [[gravity]] (when close to the earth's surface).
Quadratic equations are very important in calculating the motion of bodies under constant [[acceleration]], e.g., [[gravity]] (when close to the earth's surface).
The [[derivative]] of a quadratic equation is a simple [[linear function]]:
The [[Derivative (calculus)|derivative]] of a quadratic equation is a simple [[linear function]]:
:<math>\frac{\mathrm{d}y}{\mathrm{d}x} = 2ax + b</math>
:<math>\frac{\mathrm{d}y}{\mathrm{d}x} = 2ax + b</math>