Answer:
[tex]\bold{m=-\dfrac16}[/tex]
Step-by-step explanation:
[tex]\bold{slope\, (m)=\dfrac{change\ in\ Y}{change\ in\ X}=\dfrac{y_2-y_1}{x_2-x_1}}[/tex]
(1, 3) ⇒ x₁ = 1, y₁ = 3
(7, 2) ⇒ x₂ = 7, y₂ = 2
So the slope:
[tex]\bold{m=\dfrac{2-3}{7-1}=\dfrac{-1}6=-\dfrac16}[/tex]