Wednesday 15 January 2014

FUNCTIONS B9

Find the axis of symmetry for F(x) = 6x2 + 5x + 8

Solution

a=6, b=5

Axis of symmetry = -b/2a

                               =  -(5)
                                    2 x 6

                               =    -5
                                     12



Hence the axis of symmetry is -5/12

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