They are all superfluous if you know how to do quadratic expansion.
Comment on Velma can't math.
BleatingZombie@lemmy.world 4 weeks ago
You know, I remember the formula, but I don’t remember what a, b, and c are
_cnt0@sh.itjust.works 4 weeks ago
ChaoticNeutralCzech@feddit.org 4 weeks ago
Do you have a truly universal method for quadratic expansion that is easier to remember and compute than the formula? Don’t get me wrong, I enjoy quadratic expansion and always give it a few shots before resorting to the formula.
LaLuzDelSol@lemmy.world 4 weeks ago
They’re the coefficients of a quadratic equation! Y = ax^2 + bx + c
WolfLink@sh.itjust.works 4 weeks ago
0 = ax^2 + bx + c
LaLuzDelSol@lemmy.world 4 weeks ago
Oh true!