Answer:
Option 3: [tex] - \frac{2}{3} [/tex]
Step-by-step explanation:
[tex]\boxed{slope = \frac{y1 - y2}{x1 - x2} }[/tex]
☆ (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate
Using the formula above,
slope
[tex] = \frac{6 - 4}{ - 2 - 1} [/tex]
[tex] = - \frac{2}{3} [/tex]