Respuesta :

devishri1977

Answer:

r = -17

Step-by-step explanation:

Slope = -5

Slope = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

[tex]\frac{3 - r}{-8-[-4]}=-5\\\\\frac{3-r}{-8+4}=-5\\\\\frac{3-r}{-4}=-5\\[/tex]

3-r = (-5)*(-4)

3 - r = 20

   -r = 20 - 3

  -r = 17

   r = -17
r=-17 the person above is right

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