brooklynberminghamba
brooklynberminghamba brooklynberminghamba
  • 18-03-2020
  • Mathematics
contestada

includes the points (-6 , n) and (-8, -9) has a slope of 4 what is the value of n?

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Hrishii
Hrishii Hrishii
  • 18-03-2020

Step-by-step explanation:

[tex]slope \: = \frac{n - ( - 9)}{ - 6 - ( - 8)} \\ \\ \therefore \: 4 \: = \frac{n + 9}{ - 6 + 8} \\ \\ \therefore \: 4 \: = \frac{n + 9}{ 2} \\ \\ \therefore \: 4 \times 2= n + 9 \\ \\ \therefore 8= n + 9 \\ \\ \therefore \: n = 8 - 9 \\ \\ \huge \red{ \boxed{\therefore \: n = - 1}}[/tex]

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