Trinôme du second degré
Author: François GONET

P(x)=ax²+bx+c

a = 2 (slider from -5 to 5, step 0.5)
b = 4 (slider from -10 to 10, step 0.5)
c = 1 (slider from -10 to 10, step 0.5)
f(x) = a x² + b x + c
A, B = Root(f(x))