find the distance between (-5,7) and (2,-3)
Distance formula = √ ( [ x2 -x1]^2 + [y2 - y1]^2 ) =
√ ([ 2 - -5]^2 + [ -3 - 7] ^2 ) =
√ ( [ 7]^2 + [ -10]^2 ) =
√ (49 + 100) =
√ 149 = about 12.206