Answer:
b(y-intercept) = 2
M (slope) = 3/-3
Explanation:
Find the points and where the line intercepts or crosses the y-axis.
To find the slope, use the formula y2-y1/x2-x1
This would be: 4-1/-2-1
Slope is 3/-3, or simplify to 1
Therefore, M=3/-3 or 1
B= 2