Question

Analyze the key features of the graph of the quadratic function f(x) = -x2 + 2x + 10. A. Does the parabola open up or down?

B. Is the vertex a minimum or a maximum?
C. Identify the axis of symmetry, vertex and the y-intercept of the parabola.

Answer 1

it opens downward and B is maximum the axis of symmetry im not sure about but the y intercept is 10 and the vertext is 1,11