Les solutions de l' inéquation f(x) ≤ 0 sont
représentées sur l'axe des abscisses en bleu.

Les solutions de l' inéquation f(x)≥0 sont
représentées sur l'axe des abscisses en rouge.

a = 0.2 (slider from -5 to 5, step 0.1)
b = -1.3 (slider from -5 to 5, step 0.1)
c = 1 (slider from -5 to 5, step 0.1)
f(x) = (a * x^(2)) + (b * x) + c
X', B = Intersect(f, xAxis)
e = Segment(X', B)
g(x) = If[f(x) > 0,f]
h(x) = If[f(x)  <  0,f]
C = (-6, 6)
D = (-5, 6)
u = Vector(C, D)
B' = Translate(B, u)
i = Ray(B, B')
E = (-7.04, 2.42)
F = (-6, 5)
G = (-5, 5)
v = Vector(G, F)
A' = Translate(X', v)
j = Ray(X', A')
text1: "La fonction f a pour expression :
f(x) = " + a + " x² + " + b + " x + " + c + ""
ac: (a * c)
text2: "b² - 4ac  =  " + (b^(2) - (4 * ac)) + ""
k = Segment(X', B)
H = Midpoint(X', B)
I = (-6, 6)
J = (-5.96, 6.24)
w = Vector(I, J)
H' = Translate(H, w)
K = (6.02, 2.62)
z = Vector(K, H')
L = (6, 5)
M = (10, 5.44)
m = Vector(L, M)
B'_1 = Translate(B, m)
n = Vector(K, B'_1)
N = (7, 5.78)
p = Vector(M, N)
A'_1 = Translate(X', p)
q = Vector(K, A'_1)
O = (-7.04, 7.66)
P = (8.68, 6.14)
r = Vector(P, N)
Q = (10, 4.64)
s = Vector(L, Q)
B'_2 = Translate(B, s)
A'_2 = Translate(X', r)
R = (6, -1.86)
t = Vector(R, B'_2)
u_1 = Vector(R, A'_2)
B'_3 = Translate(B, r)
v_1 = Vector(R, B'_3)