Online quadratic equation solver. Just enter a, b and c values and get the solutions of your quadratic equation instantly. Step by step solution of quadratic equation using quadratic formula. The maximum or minimum of a quadratic function occurs at . If is negative, the maximum value of the function is . If is positive, the minimum value of the function is . Maximum and minimum values of a quadratic polynomial. ax2+bx+c,a≠0.ax^2 + bx + c, \quad a ≠ 0.ax2+bx+c,a​=0. Let y=ax2+bx+cy = ax^2 + bx + cy=ax2+bx+c, then ax2+bx+c−y=0ax^2 + bx + c - y = 0ax2+bx+c−y=0. If xxx is real, then the discriminant of equation ax2+bx+c−y=0ax^2 + bx + c - y = 0ax2+bx+c−y=0 is D≥0:D≥ 0:D≥0:

Mar 07, 2018 · Hence to find a maxima or minima for a quadratic function, observe the sign of a and convert the equation, as above, in form a(x-h)^2+k. Then the corresponding maxima or minima will be k, when x=h. Algebra Solve quadratic equations by graphing. Solve quadratic equations algebraically. Solve real-life problems. Solving Quadratic Equations by Graphing A quadratic equation in one variable is an equation that can be written in the standard form ax2 + bx + c = 0, where a, b, and c are real numbers and a ≠ 0. A root of an equation is a solution of ...