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posted by Anonymous on Tuesday, June 8, 2010 at 5:57pm.

Find the axis of symmetry. x^2-9x+3

4.5

The axis of symmetry is an equation. The axis of symmetry is ... x = 'the x-value of the vertex' to find the x value of the vertex evaluate -b/(2a) of y = ax^2 + bx + c so x = 9/2

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