Without drawing the graph of the given equation, determine:
(a) how many x-intercepts the parabola has
(b) whether its vertex lies above or below the
y = -x^2 + 2x - 1© BrainMass Inc. brainmass.com February 24, 2021, 2:12 pm ad1c9bdddf
Y = -x^2+2x-1 = -(x-1)^2
So we know that the parabola has only ...
For a given function, the number of x-intercepts and the location of the vertex is determined, without drawing the function.