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8.


For the graph of the function, identify the axis of symmetry, vertex and the formula for the function.


A. Axis of symmetry: x = –1; Vertex: (–1, 0); f(x) = –x2 – 2x – 1


B. Axis of symmetry: x = –1; Vertex: (–1, 0); f(x) = –2x2 – 2x – 1


C. Axis of symmetry: x = –1; Vertex: (–1, –1); f(x) = –x2 – 2x – 1


D. Axis of symmetry: x = –1; Vertex: (–1, 0); f(x) = –x2 – x + 2

8 For the graph of the function identify the axis of symmetry vertex and the formula for the function A Axis of symmetry x 1 Vertex 1 0 fx x2 2x 1 B Axis of sym class=

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Answer:

Axis of symmetry: x = –1; Vertex: (–1, 0); f(x) = –2x2 – 2x – 1

Step-by-step explanation:

What are the vertex and axis of symmetry of the equation?

The axis of symmetry always passes through the vertex of the parabola . The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola. For a quadratic function in standard form, y=ax2+bx+c , the axis of symmetry is a vertical line x=−b2a .

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