a = 1 (slider from -15 to 15, step 1)
b = 0 (slider from -15 to 15, step 0.5)
χ = 15 (slider from -15 to 15, step 0.01)
f(x) = (a * x) + b
κείμενο1 = LaTeX(f, true, true)
Α: (χ, 0)
g = OrthogonalLine(Α, xAxis)
Β = Intersect(f, g)
Γ = Intersect(f, g, 1)
h = OrthogonalLine(Β, yAxis)
Δ = Intersect(h, yAxis)
i = Segment(Δ, Β)
j = Segment(Β, Α)
κείμενο2: "" + χ + ""
c: y(Δ)
κείμενο3: "" + c + ""