a = 1 (slider from -5 to 5, step 0.1)
b = 1 (slider from -5 to 5, step 0.1)
c = 1 (slider from -5 to 5, step 0.1)
d: y = (a * x^(2)) + (b * x) + c
A = Vertex(d)
locb = Locus(A, b)
loca = Locus(A, a)
B = Intersect(d, yAxis, 1)
locc = Locus(A, c)
e = false
f = false
g = false