Question

Which expression can be used to determine the slope of the line that passes through the points (-7,3) and (1, -9)?

1. 1-(-7)/-9-3
2. 1+(-7)/-9+3
3. -9-3/1-(-7)
4. -9+3/1+(-7)​

Answer 1

-9-3/1--7

Explanation:

gradient (m) =-9-3/1--7

m =-12/8