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What is the minimum value of a^2+6a-7?

 Feb 26, 2019

The minumum value of   a    will be at   -b/2a    (this 'a' is the coefficient of a^2....1)


min val ue of a   =   -6/2 = -3   


sub this value of a into the equation to find the minumunm value of the function    f(a) =  -3^2 + 6(-3) - 7 = -16 is the min value of the fxn

 Feb 26, 2019

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