Equazione del tipo

V

V

y=ax^2+bx+c 

c = -3 (slider from -3 to 3, step 0.1)
b = 3 (slider from -3 to 3, step 0.1)
a = 2 (slider from -3 to 3, step 0.1)
p: ((-b)) / ((2 * a))
ap: (a * b)
q: (a * p^(2)) + (b * p) + c
f(x) = (a * x^(2)) + (b * x) + c
O = (0, 0)
testo3 = LaTeX($1)
h: y = (2 * x^(2))
testo4: "y=" + (LaTeX[a]) + "x^2"
V_1: (p, q)
V_2 = FractionText(V_1)
s: x = p
C = Intersect(f, yAxis)