The factors of a quadratic function are 2x-3 and x-3. what is the axis of symmetry of this function?

asked Nov 21, 2015 144k views

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f : R -> R, f(x) = ( 2x - 3)( x - 3 ) => f(x) = 2x^2 - 9x + 9;
The axis of symmetry is x = - b / (2a) => x = 9 / 4.

Chintan Shah answered Nov 26, 2015

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