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October 23, 2014

October 23, 2014

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

- Algebra -
**Ana**, Tuesday, June 8, 2010 at 6:34pm4.5

- Algebra -
**Reiny**, Tuesday, June 8, 2010 at 8:24pmThe 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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