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## Answers

x=-b/2a

For example:

x^2+6x+13 A=1 B=6 C=13

Axis of Symmetry equation x=-b/2a

x=-6/2(1)

x=-3

So the axis of symmetry for this equation would be a line at x= negative 3. Hope this helps. Post with additional details if it still doesn't make sense!!!