Racine\ carrée : lecture\ graphique\ des\ solutions\ de\ x²=a

y=x²

1

1

O

Représentation\ graphique\ des\ solutions\
de\ l'équation:x²=a.

a=

MathsEnClair.com

a = 4 (slider from -5 to 5, step 1)
f(x) = x^(2)
d: y = a
A, B = Intersect(f, d)
b = Line(A, yAxis)
c = Line(B, yAxis)
C = Intersect(b, xAxis)
D = Intersect(c, xAxis)
texte2: "-\sqrt{" + (LaTeX[a]) + "}"
xC: x(C)
texte3: "\sqrt{" + (LaTeX[a]) + "}"
xD: x(D)
e = Segment(A, C)
g = Segment(B, D)
A': A - (2, 0)
B': B + (2, 0)
h = Segment(A', B')
E = Point(f)
texte4: "(" + (LaTeX[xC]) + ")"
texte5: "(" + (LaTeX[xD]) + ")"
F = Intersect(h, yAxis)
texte8: "" + (LaTeX[a]) + ""
I = (1, 0)
J = (0, 1)
O = (0, 0)
ChampTexte1 = Textfield(a)