Find the value of r so the line that passes through each pair of points has the given slope.
Point 1:(-7,2)
Point 2:(-8,r)
m = -5

Respuesta :

Answer:

7

Step-by-step explanation:

[tex]\frac{r - 2}{-8+7} = -5[/tex]

r - 2 = - 5(- 1) ⇒ r = 7