Determine the vertex of the graph of the parabola.
-$y = - x ^ { 2 } - 2 x - 1$ 1
A)(-1, 0)
B)(0, 1)
C)(1, 0)
D)(0, -1)

Name: Determine the vertex of the graph of the parabola. -$y = - x ^ { 2 } - 2 x - 1$ 1 A)(-1, 0) B)(0, 1) C)(1, 0) D)(0, -1)
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Question

Quizplus · Accepted Answer

The vertex of a parabola in the form $y = ax^2 + bx + c$ is given by the point $(-b/2a, -D/4a)$. For the given equation, $a = -1$ and $b = -2$, so the vertex is $(-(-2)/2(-1), -(-1)/4(-1)) = (-1, 0)$.

Determine the Vertex of the Graph of the Parabola y=−x2−2x−1y = - x ^ { 2 } - 2 x - 1y=−x2−2x−1

Determine the Vertex of the Graph of the Parabola $y = - x ^ { 2 } - 2 x - 1$