jackie4554em jackie4554em

19-01-2018
Mathematics

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The axis of symmetry for the graph of the function is f(x) = 1/4x^2 + bx + 10 is x = 6. What is the value of b?

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Orangepanda9992 Orangepanda9992

19-01-2018

x-coordinate of vertex (or axis of symmetry) of a quadratic function f(x)=ax2+bx+c is given as:
x=−b2a=−b12=−2b-2b = 6 --> b=6−2=−3
b = -3

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