Answer:
[tex]-\frac{7}{9}[/tex]
Step-by-step explanation:
We find slope by; change in y ÷ change in x,
Change in y = -4 - 3 = -7
Change in x = 7 - - 2 = 9
Slope of line MN = -7 ÷ 9 = [tex]-\frac{7}{9}[/tex]
