Answer:
-(1/5)
Explanation:
The slope is the Rise/Run between the two points (5,-2) and (0,-1):
Rise = -1 - (-2) = 1
Run = 0 - 5 = -5
Slope = Rise/Run = 1/-5 or -(1/5)
Point (0,-1) tells us that the y-intercept, b, is -1, so the full equation is:
y = -(1/5)x - 1