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Quadratic function is the simplest polynomial function that is non-linear. In this tutorial, you will first learn to distinguish quadratic function from quadratic equation and quadratic formula . Then you will explore the characteristics of quadratic function and parabola curve. After that, we discuss about discriminant and robust way to find the roots of quadratic equation. You can play around with example of quadratic function through Microsoft Excel file companion of this tutorial to get the parameters of quadratic function by specifying three points. At the end, you will learn simple application of quadratic function to do optimization without calculus.
Topics of this tutorial
Quadratic Equation through 3 points
Applications: Optimization without Calculus
Resources on Quadratic Equation
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Preferable reference for this tutorial is
Teknomo, Kardi. (2008) Quadratic Function Tutorial .