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26-02-2017
Mathematics

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F(x)=x^2 12x 39 what is the axis of symmetry

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26-02-2017

x^2-12*x-(39)=0

x =(12-√300)/2=6-5√ 3 = -2.660 x =(12+√300)/2=6+5√ 3 = 14.660
not sure bt hope its help

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