The taxicab distance formula between two points (x1, y1) and (x2, y2) is expressed as
distance = Ix1 - x2I + Iy1 - y2I
From the information given,
x1 = 7, y1 = 5
x2 = 8, y2 = 6
Distance = I7 - 8I + I5 - 6)
Distance = I- 1I + I- 1I = 1 + 1
Distance = 2