Answer:
B
Step-by-step explanation:
Calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (7, - 2) and (x₂, y₂ ) = (8, - 3) ← 2 ordered pairs from the table
m = [tex]\frac{-3+2}{8-7}[/tex] = [tex]\frac{-1}{1}[/tex] = - 1 → B
