Please help
Write the equation of the line on the graph

Answer:
y = 3x
Step-by-step explanation:
There is a dot at (1,3)
The line also goes through (0,0)
The equation is of the form y = mx
b the y intercept is 0.
All we need to do is solve for m
when x = 1, y = 3
3 = m * 1
m = 3
Answer: y = 3x