adeleinflores1921 adeleinflores1921
  • 02-08-2018
  • Mathematics
contestada

What is the equation of the line containing the points (3, 1), (9, 3), and (27, 9)?


A. y = x3

B. y = 3x

C. y = x

Respuesta :

Riia
Riia Riia
  • 02-08-2018

From the given points that are (3,1),(9,3),(27,9), we can say that x is three times of y. That is

x= 3y

And we need to solve for y. For that, we need to get rid of 3 from the right side by dividing both sides by 3 . And on doing so , we will get

[tex] \frac{x}{3} = \frac{3y}{3} [/tex]

[tex] \frac{x}{3}=y [/tex]

or

[tex] y=\frac{x}{3} [/tex]

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