Answer:
m1=9/10
Explanation:
slope of line at given two points given by,
m=(y2 - y1)/(x2 - x1)
We have that x2 = 2 , and x1 = 12 , y2 = - 2 y1 = 7 ,
Plug the given values into the formula for a slope: m = (- 2 - 7)/(2 - 12) = 9/10
question (7)try yourself.