Answer:
m = [tex]\frac{d-a}{c+7}[/tex] , c ≠ - 7
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, a ) and (x₂, y₂ ) = (c, d )
m = [tex]\frac{d-a}{c-(-7)}[/tex] = [tex]\frac{d-a}{c+7}[/tex] , c ≠ - 7
