Use the quadratic formula to find the zeros of f

F(x)=2x^2-4x-11

3 answers

{ 4 +/- sqrt (16 + 88) ] /4

[ 4 +/- sqrt(104) ]/ 4

[ 4 +/- 2 sqrt (26) ]/4

1 +/- 0.5 sqrt(26)
Wouldn't it be 16-88?
Oh, wait nvm. I didn't notice the negative sign on the 11