Answer:
slope = - [tex]\frac{7}{4}[/tex]
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, 9) and (x₂, y₂ ) = (- 3, 16)
m = [tex]\frac{16-9}{-3-1}[/tex] = [tex]\frac{7}{-4}[/tex] = - [tex]\frac{7}{4}[/tex]
