x

Afficher mesures

Afficher points

Aire =

valider

1) Détermine l'aire de la figure
en fonction de x.

Afficher consignes

6

x

2) Pour quelle valeur de x l'aire
de la figure est-elle minimale ?

x =

valider

a = 2.8 (slider from 0 to 6, step 0.1)
bool = false
bool2 = false
aire(x) = (2 * x^(2)) - (18 * x) + 72
rep1(x) = 0
ChampTexte1 = Textfield(rep1)
nulle(x) = 0
bool3 = false
A: (0, 0)
B: (0, 6)
C: (12, 6)
D: (12, 0)
p, a_1, b, c, d = Polygon(A, B, C, D)
M: (a, 6)
N: (12, 6 - a)
P: (12 - a, 0)
Q: (0, a)
q, m, n, p_1, q_1 = Polygon(M, N, P, Q)
E: (0, 8)
F: (a, 8)
g = Segment(E, F)
K: (a, rep1(a))
rep2(x) = 0
perimetre(x) = (4 * sqrt(x^(2) + (12 - x)^(2)))
L: (a, rep2(a))
x_1: 4.5
rep3: 0
ChampTexte3 = Textfield(rep3)
repgraph(x) = If[0 ≤ x ≤ 6, rep1(x)]
repgraph2(x) = If[0 ≤ x ≤ 6, rep2]