To find the vertex use -b/2a (for the x value which is also the axis of symmetry) So 2/-2 = -1 Therefore the axis of symmetry is x=-1 Plug in for the y value: y= -(-1)^2 -2(-1) + 1 y=-1 + 2 + 1 y=2 Vertex (-1,2)
Thank you for posting your question here in brainly. The answer to the above equation is letter C which is <span> x + 9 remainder –9. Please see below solution:
