Use technology to find the line of best fit for the following data. (−17,8), (−14,7), (−11,6), (−12,4), (−10,1), (−7,3), (−3,2), (−3,0), (−2,−4), (0,−2), (2,−3), (6,−5), (4,−6)

When the equation of the line is in the form y=mx+b, what is the value of b?
Enter your answer as a decimal, like this: 42.25