Use the graph to find the slope (m) and y-intercept (b)

Answer:
Slope=4 y-intercept=(0,-21) or -21
Step-by-step explanation:
To find slope
m=-13-(-17)/2-1
m=4/1
m=4
To find y-intercept
y-(-17)=4(x-1)
y+17=4(x-1)
y+17=4x-4
Subtract both sides by 17
y=4x-21
y-intercept=-21