Answer:
X1 = 6 X2 = -1 Y1 = 16 Y2 = 14
Distance = Square Root (X2 -X1)^2 + (Y2 -Y1)^2
Distance = Square Root (-1 -6)^2 + (14 -16)^2
Distance = Square Root (-7)^2 + (-2)^2
Distance = Square Root (49) + (4)
Distance = Square Root (53)
Distance = 7.2801098893
See this page www.1728.org/distance.htm
Explanation: