what is the distance of (1,-3),(-5,-1
(1,-3),(-5,-1)
Distance = √ [ ( -5 - 1 )^2 + (-3 - -1)^2 ] =
√ [ ( -6 )^2 + (-2)^2 ] = √[36 + 4 ] =
√40 = 2√10 ≈ 6.32 units
