Question

if the lines kx+3y+5=0 and 3x+9y-10=0 are parallel, then find "k". ​

Answer 1

Answer:

If the lines are parallel,then k/3=3/9 and not equal to 5/(-10).

k/3=3/9

or,9k=3*3

=9

or,k=9/9

=1

So,k=1