carolinekeogh9620 carolinekeogh9620
  • 14-09-2019
  • Mathematics
contestada

Find the equation of the line that pass through the points (4,8) and (6,2

Respuesta :

KrystaCort KrystaCort
  • 17-09-2019

Answer:

3x + y = 20

Step-by-step explanation:

The equation of line passing through two points is determined by formula:

[tex]y-y_{1}=\frac{y_{2}-y_{1}}{x_{2} - x_{1}}(x - x_{1})[/tex]

Here, (x₁ , y₁) = (4, 8)

and (x₂, y₂) = (6, 2)

Putting these value in above formula. We get,

[tex]y-8=\frac{2-8}{6 - 4}(x - 4)[/tex]

⇒ [tex]y-8=\frac{-6}{2}(x - 4)[/tex]

⇒ ( y - 8) = -3 (x - 4)

⇒ y - 8 = -3x + 12

⇒ 3x + y = 20

which is required equation.

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