Question

What is the slope of the line that passes through the points (–1, 13) and (4, –2)?

Answer 1

slope is change in y over change in x
slope = (13-(-2)) / (-1-4) the order doesnt matter, it could be
slope = (-2-13) / (4-(-1))
slope = -15/5 or 15/-5 = -3

Answer 2

thanks! @lucaz