SOLUTION: Find the axis of symmetry. y=x^2+5x–7 I am coming up with 0 (zero)as my answer and that is not one of the answers on the test. Can you assist me? Please show

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Question 127248: Find the axis of symmetry.
y=x^2+5x–7
I am coming up with 0 (zero)as my answer and that is not one of the
answers on the test. Can you assist me? Please show me the work so I can
see where I am going wrong.
Thanks

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
To find the axis of symmetry, use this formula:



From the equation we can see that a=1 and b=5

Plug in b=5 and a=1


Multiply 2 and 1 to get 2


So the axis of symmetry is

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