Question

The value of p for which the lines 3x=y-8 and 6x+my+16=0 concide is :
a) 2
b)-2
c)1/2
d)-1/2

Answer 1

a)2 is the answer the answer because the rule for coincidence=a1/a2 is not equal to b1/b2

Answer 2

If you mean to ask value of m, then it's -2. Since, corresponding coefficients have to be proportional.