Answer:
Step-by-step explanation:
I am assuming you want an equation
y=mx + b
m is the slope, and b is the y intercept, so just fill in the info
y=-2x + 0
because it is just + 0, you can simply write:
y=-2x
Note: I'm not completely sure of what you're asking, but I hope this helps in some way, shape, or form!! If not, feel free to tell me what you need, and I will edit my response.
