Respuesta :

wizard123
avg rate of change = slope between 2 points

slope = [tex]\frac{y_2 - y_1}{x_2 -x_1} [/tex]

Using the given end points (5,10) , (8,1)

slope = [tex]\frac{1-10}{8-5} = \frac{-9}{3} = -3 [/tex]