You can put this solution on YOUR website! What is the axis of symmetry for f(x)=x^2+7x+6
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The simplest method:
The zeroes (x-intercepts) are -6 and -1.
The axis is x = (-6 -1)/2
x = -3.5
You can put this solution on YOUR website! Find the x-value for the vertex and that is the axis.
x=-b/2a, where b is 7 and a is 1
The vertex has an x-value of -7/2. You don't even need the y-value. The axis of symmetry is x=-3.5