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Check Your Quadratic Formulas
By Elvin B. Gibson, Jr.
Nov 2, 2006, 14:21 PST
Quadratic Formula is a formula used to determine at which two points the quadratic function intercepts the X axis. This formula consists of three variables A,B,C.

Quadratic Calculator
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: .

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