Question

find the value of k so that the following system of equation has no solution 3x-y-5=0and 6x-2y+k = 0

Answer 1

two lines have no solution that is they are parallel.
A1 / A2 is equal to b 1 /b 2 is not equal to C1 / C2
3 /6=-1/-2 is not equal to -5/k
then K is not equal to -10