11 August, 2011 in What is this? | 1 Comment
prawns
y = -4 (x-3)^2 -4x^2 + 24x – 36 = 0 delta = 576 – 4*(-4)*(-36) = 0 => it’s a parabola with one real root x1 = x2 x1 = x2 = -24 / (2*(-4)) = 3 and I finished my school over 15 years ago!
prawns
3:21 pmy = -4 (x-3)^2
-4x^2 + 24x – 36 = 0
delta = 576 – 4*(-4)*(-36) = 0 => it’s a parabola with one real root x1 = x2
x1 = x2 = -24 / (2*(-4)) = 3
and I finished my school over 15 years ago!