Question

 If X=1 and Y=4 is the solution of the linear equation 3x + Ky=11,the value of K is​

Answer 1

Answer:

3x−ky=8

Put (1,−1) in it

3+k=8

k=5

Another point on this3x−5y=8

can be (6,2)

=3×6−5×2

=18−10=8

Graph of line is

Answer 2

Solve by this method,your answer will be right..