Question

if 2 X + 3 Y + 5 is equals to o,kx+ 6y+ 7 is equal to zero are parallel then the value of k is

Answer 1

Hello Mate

a1/a2 = 2/k

b1/b2 = 3/6

c1/c2 = 5/7

as they are parallel lines a1/a2 = b1/b2 not equal to c1/c2

a1/a2 = b1/b2

2/k = 3/6

3k = 12

k =12/3

k= 4