Question

what is the formula for point of intersection

Answer 1

Formula is ...
x= x1+x2/2
y= y1+y2/2
hope u understand....

Answer 2

$for \: ax + by + c = 0 \: and \\ \: \: \: \: \: \: \: dx + ey + f = 0 \\ point \: of \: intersection \: is \\ x = \frac{bf - ec}{ae - bd} \\ y = \frac{cd - af}{ae - bd}$
hope it helps