Slope : 1
Y-intercept : 0
Use the equation y=mx+b
Put the slope in for m, and the y-intercept in for b
This would make the equation :
y=1x+0
I found the slope by finding two points on the graph, yours are marked. You go up 2, and right 2 to get from one point to the next so it would be a fraction. 2/2. You can simplify this to 1/1, which is the same thing as 1.