Question

The value of 'a' so that the point ( 3 , a ) lies on the line 2x - 3y = 5 is :

a)12 b) 3 c) 1/2 d)1/3

Answer 1

So (3,a) will satisfy the line 2x - 3y = 5

so 2x3 - 3a = 5

3a = 6 - 5

a = 1/3 

so option (d) is the answer

Answer 2

x=3,y=a

2x3-3a=5
3a=6-5
a=1/3

d)1/3