For what real values of $k$ does the quadratic $12x^2 + kx + 27 = 0$ have nonreal roots? Enter your answer as an interval.
If discriminant is <0 then nonreal roots
b^2 - 4ac <0
k^2 -4(12)(27) <0
k^2 < 1296
K < 36 or >-36 (-36,36)
If discriminant is <0 then nonreal roots
b^2 - 4ac <0
k^2 -4(12)(27) <0
k^2 < 1296
K < 36 or >-36 (-36,36)