Answer:
y = -x
Step-by-step explanation:
The line has a slope of -1 and it passes through point (0,0)
Taking another point (x,y) on the line;
Slope = change in y ÷ change in x
For our case; slope = [tex]\frac{y - 0}{x - 0} = -1[/tex]
Cross multiplying this gives;
y = -x
