wv900972 wv900972

19-08-2020
Mathematics

contestada

If the slope of a line is 3, then what is the value of n when (2, -8) and (n, 1) are on the line?

Respuesta :

luisecubero77 luisecubero77

20-08-2020

Answer:

n = 5

Step-by-step explanation:

m = (y₂ - y₁) / (x₂ - x₁)

m = (1 - (-8)) / (n - 2)

3 = ( 1 + 8 ) / ( n - 2)

3 = 9 / ( n - 2)

n - 2 = 9 / 3

n - 2 = 3

n = 3 + 2

n = 5

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