For which value(s) of k does the following system have no solution?
4x - 6y = -2
kx - 9y = 3
4x - 6y = -2 mult through by 3 → 12x - 18y = -6
kx - 9y = 3 mult through by 2 → 2kx - 18y = 6
For this to have no real solutions
2kx = 12x
2k = 12
k = 6
