a = 1 (slider from -5 to 5, step 0.1)
b = 1.2 (slider from -5 to 5, step 0.1)
c = 1.1 (slider from -5 to 5, step 0.1)
h = 0.5 (slider from -5 to 5, step 0.1)
k = 1.1 (slider from -5 to 5, step 0.1)
d: 1.0 y = a * (1.0 x - h)^(2.0) + k
e: 1.0 y = b * 1.0 x + c
A, B = Intersect(d, e)
discriminant: (-2.0 * a * h - b)^(2.0) - 4.0 * a * (a * h^(2.0) + k - c)
texte1: "Discriminant =" + discriminant