y=

(x-

)^2-

a = 5 (slider from -5 to 5, step 0.1)
h = 3.8 (slider from -5 to 5, step 0.1)
k = 3.7 (slider from -5 to 5, step 0.1)
c: 1 * y = a * (1 * x - h)^(2) + k
texte1: a + ""
texte4: h + ""
texte6: k + ""