Question

Find the vertex of the graph of the quadratic function. Determine whether the graph opens upward or downward, find the y-intercept, and sketch the graph. f(x) = -x- 8x-7 ​

Answer 1

Answer:

Vertex: (-4,9)

y-intercept: (0,-7)

The graph opens downward

Attached is an image of the graph, hope this helps!