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quadratic function formulas. In quadratic equation ax2 bx c 0 or x b2a2 D4a2 If a 0 minimum value 4ac b24a at x -b2a. The variable a is the coefficient of the x 2 term b is the coefficient of the x term and c is the constant.
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A quadratic equation is a polynomial of second degree usually in the form of f x ax 2 bx c where a b c R and a 0. When the Discriminant b24ac is. For a parabolic mirror a reflecting telescope or a satellite dish the shape is defined by a quadratic equation.
B b 2 4 a c.
When b 2 4 a c 0 there is one real root. In algebra a quadratic equation is any polynomial equation of the second degree with the following form. In this unit we learn how to solve quadratic equations and how to analyze and graph quadratic functions. When b 2 4 a c 0 there is one real root.
