Question

If line 3x+py=9 passes through the point (1,2) find p?

Answer 1

Answer:

3×1+2p=9

3+2p,=9

2p=9-3

2p=6

p=6/2

p=3

Step-by-step explanation:

I hope this will help you

Answer 2

3x + py = 9

on putting x=1 and y=2 (given)

3(1)+p(2)=9

3+2p=9

2p= 9-3

2p=6

p=6/2

p=3