surds

[mellow forge]

use discriminant

if no real roots, then discriminant <0

[surreal wigeon]

i dont get leave the answer in surd form bit

i got to k^2 -12 <0

@mellow forge

[mellow forge]

if k^2-12 <0 then -2root3 < k < 2root3

2 root 3 is same as root 12 btw

[rough jewel]

Ooo the what website is that seems cool @surreal wigeon

[surreal wigeon]

dr frost maths

its really good

[granite meteor]

W pfp

[distant birch]

ughhh drfrost i feel ya pain

[pine trellis]

drfrost maths, its used by many schools