Question 923638
x=2/5y
or y = (5/2)x
m = (5/2)  as x increases by 2, y increases by 5
x y
0, 0  P(0,0)
2, 5  P(2,5)
4, 10 P(4,10)
etc
Plot Points and connect with Line

{{{drawing(300,300,   -10,10,-10,12,    
 grid(1),
circle(2, 5,0.4),
circle(4,10,0.4),
graph( 300, 300, -10,10,-10,12,0, (5/2)x))}}}