Answer
vertex = (-1/2,1/4)
y intercept (0,0)
x intercepts -1,0
Work Step by Step
f(x) = -x^{2}-x+0 x vertex=\frac{-b}{2a}=-\frac{1}{2}
y=-(-1/2)^2-(-1/2)+0=1/4 so vertex=(-1/2 , 1/4)
y intercept y=c=0
x intercepts 0=-x^2-x=0 = (-x-1)(x+0) x=-1,0
