Quadratic Calculator Change the 8, 10, and 2 to the numbers you choose. A quadratic is a curve of the parabola family. They are written in the format ax2+bx+c=0. x2+ x+ =0 The area bounded by the curve above the x-axis is: sq. units. The gradient of the curve at any point is: . The value of the curve occurs at co-ordinates: . BACK TO GAME PAGE                         BACK TO HOME PAGE