A = Intersect(xAxis, yAxis)
B = Point(xAxis)
t = 1 (slider from -10 to 10, step 0.1)
f = Segment(A, B)
T: (1 / (1 + t) * ((t * 12), 0))
C: (x(T), t)
u = Vector(A, T)
v = Vector(T, B)