Answer:
Step-by-step explanation:
slope = y₂-y₁/x₂-x₁
[tex]=\frac{1-7}{18-(-2)}\\\\ =\frac{-6}{18+2}\\\\ =\frac{-6}{20}\\\\ =\frac{-3}{10}[/tex]
1-7 = -6. Here if two numbers have different sign, then subtract and put the bigger numbers sign for the result.
