Respuesta :

solime
Using the equation y2-y1 / x2-x1 to find the gradients:

The 'm' stands for gradient

7) 9+20/-5+14

m = 29/9


8) -6-1/5+1

m = -7/6


9) -9-9/-14-15

m = 18/29


10) 15+12/18-2

m = 27/16