Question

find the value of k for which the given pair of equations 3x-y-5=0 and 6x-2y-k=0 are parallel​

Answer 1

Answer:

condition for lines to be parallel

a1/a2 = b1/b2 ≠ c1/c2

3/6 = -1/-2 ≠ -5/k

1/2=1/2≠ -5/k

k≠ 2(-5)

k≠(-10)