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## Main Question or Discussion Point

Can anyone tell me how to calculate the discriminant of a general equation of 2 degree in 2 variables, ax[itex]^{2}[/itex]+by[itex]^{2}[/itex]+2gx+2fy+2hxy+c=0? Thanks!!!

- Thread starter Ashu2912
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Can anyone tell me how to calculate the discriminant of a general equation of 2 degree in 2 variables, ax[itex]^{2}[/itex]+by[itex]^{2}[/itex]+2gx+2fy+2hxy+c=0? Thanks!!!

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Stephen Tashi

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- #4

Stephen Tashi

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Wolfram has a page on the discriminant of a quadratic curve and it gives a different formula:

http://mathworld.wolfram.com/QuadraticCurveDiscriminant.html

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