Question

find the value of k if (1,-1) is a solution of the equation 3x-ky=8. Also find the coordinates of another point lying on its graph

Answer 1

hey the value for k is
k =5

Answer 2

hey

Here is your answer,

If x = 1 and y = -1

3x - my = 8
3 + m = 8
m = 8 -3
m = 5

Hope it helps you!