How do you find the slope given (1,-2), and (3,-8)? Algebra Graphs of Linear Equations and Functions Slope 1 Answer Noah G Jul 19, 2016 #m = (y_2 - y_1)/(x_2 - x_1)# #m = (-8 - (-2))/(3 - 1)# #m = (-6)/2# #m = -3# #:.# The slope between #(1, -2)# and #(3, -8)# is #-3#. Hopefully this helps! Answer link Related questions What is Slope? How can slope be undefined? How do you calculate slope from a graph? How do you calculate the slope given two points? How does a positive slope differ from a negative slope? How does change in the slope affect the steepness of a line? Why is the slope of a horizontal line is zero? How do you determine the slope of #(3, –5)# and #(–2, 9)#? How do you determine the slope of #(1/3, 3/4)# and #(–2, 6)#? How do you determine the slope of #(2,7)# and #(7,2)#? See all questions in Slope Impact of this question 989 views around the world You can reuse this answer Creative Commons License