How do you find the slope of the line through the points (1,-2), and (3,-8)?

Question

3227 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-02-18T18:22:22

The slope #=-3#

The points are :
#(1,-2) = color(blue)(x_1,y_1#

#(3,-8) = color(blue)(x_2,y_2#

Slope is calculated using formula: #(y_2-y_1)/(x_2-x_1)#

#=(-8 - (-2))/(3-1#

#=(-8 + 2)/(2#

#=(-6)/(2#

#=-3#