Question
Find the vertex and the line of symmetry.$$y=-x 2-6 x+1$$
Step 1
The formula for the line of symmetry is $x = -\frac{b}{2a}$, where $a$ and $b$ are the coefficients of $x^2$ and $x$ in the quadratic equation, respectively. In our equation, $a = -1$ and $b = -6$. Show more…
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