The vertex form of a parabola is \( y = a(x-h)^2 + k \), where \((h, k)\) is the vertex of the parabola. For the given equation \( y = -x^2 - 8x - 11 \), we can find the vertex by using the formula \( h = -\frac{b}{2a} \) where \( a = -1 \) and \( b = -8 \).
\[ h
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