Question

If a point (1,5)lies on the line x+2y+k=0 then find the value of kj

Answer 1

x+2y+k=0

1+10+k=0

k=-11

@Afjal

Answer 2

x = 1

y = 5

Substituting in the equation

1 + 5(2) + k = 0

1+10+ k =0

11+k = 0

k = -11