Respuesta :

The formula for determining slope is expressed as

Slope = (y2 - y1)/(x2 - x1)

From the information given,

x1 = 9, x2 = 7

y1 = 10, y2 = 2

Slope = (2 - 10)/(7 - 9) = - 8/- 2

Slope = 4