Answer:
y = 9/4x
Explanation:
First we need to find the slope
m = (y2-y1)/(x2-x1)
= (-9-0)/(-4-0)
= -9/-4
=9/4
We know the y intercept is 0 since it goes through the origin
We can use the slope intercept form of the equation
y = mx+b
y = 9/4 x +0
y = 9/4x