y = a x² + b x + c

y = a x² + b x + c

a = -1.1 (slider from -2 to 2, step 0.1)
b = -1.7 (slider from -2 to 2, step 0.1)
c = -1.8 (slider from -3 to 3, step 0.1)
p: 1.0 * 1.0 y = a * 1.0 * 1.0 x^(2.0) + b * 1.0 * 1.0 x + c