Answer
Please see image
Work Step by Step
Comparing to the form y=mx+b, we see
that the y-intercept is 0 (the line passes through the origin)
One more point needed (two points determine a line).
When x=1,
y=$2(1)=2$
So, another point on the line is ($1,2$).
Plot the two points and draw a straight line through them.