Q). If the vertex of the parabola y = - x - a 2 + b lies on the parabola y = x 3 and one of the x-intercepts of the parabola is 8, then what is the value of a if a > 0? a) 1 b) 2 c) 4 d) 8 Share with your friends Share 1 Decoder_6 answered this 0 View Full Answer