s1167815875
s1167815875 s1167815875
  • 11-12-2020
  • Mathematics
contestada

please help
A line passes through the points (−4,n) and (2,4n) and has a slope of 6. What is the value of n?

Respuesta :

absor201
absor201 absor201
  • 11-12-2020

Answer:

The value of n = 12

Step-by-step explanation:

Given the points

  • (-4, n)
  • (2, 4n)

The slope formula

m = y₂-y₁ / x₂ - x₁

[tex]\left(x_1,\:y_1\right)=\left(-4,\:n\right),\:\left(x_2,\:y_2\right)=\left(2,\:4n\right)[/tex]    

[tex]m=\frac{4n-n}{2-\left(-4\right)}[/tex]

[tex]m=\frac{n}{2}[/tex]

Given that the slope = m = 6

Thus, substituting the value

6 = n/2

n = 6 × 2

  = 12

Thus, the value of n = 12

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