v

u

t v

A = Intersect(xAxis, yAxis)
B = (1.52, 1.06)
u = Vector(A, B)
a = Line(A, B)
v = OrthogonalVector(a)
t = 1 (slider from -5 to 5, step 0.1)
z: t * u
C: (x(z), y(z))
b = Line(A, B)