Looking at the graph, we can figure out our y-intercept or b simply by looking at the line to see where it intersects the y-axis.
So, we can see that the line intersects the y-axis at 1/2 or 0.5
That means, our y-intercept or b is 1/2 (0.5).
Now, to find out the slope of the line, we can pick two pairs of coordinates on the line and plug it into the slope equation to figure out the slope.
Let's use the two coordinate pairs: (-5, 2) and (0, 1/2).
Plug it in.
1/2 - 2 = - 1.5
0 - - 5 = 5
-1.5/5 = -0.3
Convert it into a fraction: -0.3 = -3/10
Thus, our slope intercept form for this line is: y = -3/10 + 1/2