A_{1} = Point(xAxis)
B_{1} = Point(xAxis)
f = Line(A_{1}, B_{1})
A = Point(f)
B = Point(f)
g = Segment(A, B)
t = 0.33 (slider from 0 to 1, step 0.01)
M: (x(A) + (t * 5), 0)
texte1: "x_{M}=-4+" + (LaTeX[t]) + "\times 5"