MATH 28 – Resources – GeoGebra

Quadratic function in standard form
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MATH 28
A contour map of f(x,y)=-1/(x^2+y^2)
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MATH 28
A contour map of f(x,y)=x^2+y^2+2xy
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MATH 28
A contour map of f(x,y)=4-x^2-y^2
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MATH 28