-7 and 8 are the solutions to the given equation system. Therefore, the maximum distance between the y values of the two equations must lie exactly between their points of intersection. That is on x value: x = (-7 + 8)/2 = 0.5 The maximum distance is: y = 0.5 + 56 = 56.5 y = 0.5² = 0.25 56.5 - 0.25 = 56.25 units