two lines intersect

[Anna55]

Two lines y=2x+5 and y=kx+m intersect at one single point. That point is one the y axis. What are the possible values me the gradient k. Justify your answer.

 

[royhaas]

If the point is on the y-axis, you know what the x-coordinate is.

 

[Anna55]

Ok thank you, I understand!