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User:Mistertim

I live in Canberra and work in the Australian Public Service (for a Commonwealth Department).

My interst in wikipedia, so far, is related to evangelical Christianity and Australian politics.

All Wikipedia text is available under the terms of the GNU Free Documentation License

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Quadratic formula

... formula reads <math> x=\frac{-b \pm \sqrt {b^2-4ac}}{2a} </math> The term b2 – 4ac is called the discriminant of the quadratic equation, because ...