keelyrosewillia keelyrosewillia

12-06-2017
Mathematics

contestada

Given the function, g(x) = 2x2 − 16x + 15 ,how do i find the axis of symmetry?

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annikad annikad

12-06-2017

You can factorise the function to get 2 (x^2 - 8x + 7.5) and then complete the square to get 2(x - 4)^2 - 17. Because this shows that the graph has been moved 4 units to the right, the axis of symmetry is x=4.

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