Question

value of k for which 3x+ky=1 and -2y+x=3 represent parallel lines is
(a)k unequal 6
(b) k = 6
(c) k unequal -6
(d) k = -6

Answer 1

ratio of x and y coefficients are equal when tqo lines are parallel

k/-2=3/1

k =3*(-2)
k=-6