K Value Calculation

xk_1 = 0.697

x0_1 = -52.47

yk_1 = -0.074

y0_1 = -20.28


xk_2 = 0.910

x0_2 = -58.463

yk_2 = -0.023

y0_2 = 26.12

k = -(x0_1 + y0_1)/(xk_1 + yk_1)
(xk_2 + yk_2) * k + (x0_2 + y0_2)