What is the axis of symmetry for y=-x^2+2x+1

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)