SOLUTION: what formula is x= -b/2a ?

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Question 424637: what formula is x= -b/2a ?
Answer by Gersid(33) About Me  (Show Source):
You can put this solution on YOUR website!
x+=+%28-b%29%2F2a is the equation of the line of symmetry in a parabola whose equation is: y+=+ax%5E2%2Bbx%2Bc