How do you find the slope of (9, 8), (7, -8) ?

1 Answer
May 5, 2018

slope = 8

Explanation:

From the formula of the slope

slope = (y_2-y_1)/(x_2-x_1)

(9,8),(7,-8)
(x_1,y_1),(x_2,y_2)

color(red)(x_1 = 9)
color(blue)(y_1 = 8)
color(green)(x_2 = 7)
color(brown)(y_2 = -8)

= (color(brown)(-8)-color(blue)(8))/(color(green)(7)-color(red)(9)) = (-16)/-2=8