christinewilkerson24
christinewilkerson24 christinewilkerson24
  • 10-12-2020
  • Mathematics
contestada

Find the value of r so the line that passes through the pair of points has the given slope,
(2, r), (8, –4) m = –3

Respuesta :

devishri1977
devishri1977 devishri1977
  • 10-12-2020

Answer:

r = 14

Step-by-step explanation:

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

[tex]\frac{-4-r}{8-2}= -3 \\\\\frac{-4 - r}{6} = - 3[/tex]

Cross multiply,

-4 - r = -3*6

-4 - r = -18

-4  = - 18 + r

-4 + 18 = r

r = 14

Answer Link
aidanasherstephenss
aidanasherstephenss aidanasherstephenss
  • 10-12-2020

Answer:r = 14

Step-by-step explanation:

Answer Link

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