• Good Guy Squirrel…
  • Happy Birthday ‘Murica…
  • Ballerina Splash…
  • Two Mayans…
  • Ginerm Sterl
  • Who takes these pictures?
  • A visit to the doctor
  • Not your usual taxi ride
  • Getting old
  • My face when I say something sarcastic and no one gets it
  • We may not buy our happiness…
  • Tiger face

11 August, 2011 in What is this? | 1 Comment

funny-troll-math-problem


Comments
  1. prawns

    3:21 pm

    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!