Question

a motor cyclist is moving along the line x-y=2 and another moter cyclist is moving along theline x-y=4 find out their moving direction.

Answer 1

They are actually moving in the same direction.

If we try to find the point of intersection of these two lines or the point where the drivers will meet;

x-y = 2
x-y = 4
+____
2x = 6
x = 3

putting in both the equations we get
y=1 and y= -1

Now if you draw the graph you will find out that these lines are coinciding.
so they are moving in the same direction and the will coincide at point

(3,0)

Answer 2

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