caydenlcs14
caydenlcs14 caydenlcs14
  • 09-10-2019
  • Mathematics
contestada


Write an equation for the line shown on the graph.

Write an equation for the line shown on the graph class=

Respuesta :

gmany
gmany gmany
  • 09-10-2019

Answer:

[tex]\large\boxed{y=\dfrac{2}{3}x+1}[/tex]

Step-by-step explanation:

The slope-intercept form of an equation of a line:

[tex]y=mx+b[/tex]

m - slope

b - y-intercept → (0, b)

The fromual of a slope:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

(x₁, y₁), (x₂, y₂) - points on a line

We have the points from the graph:

(0, 1) → b = 1 and (3, 3).

Calculate the slope:

[tex]m=\dfrac{3-1}{3-0}=\dfrac{2}{3}[/tex]

Finally we have the equation of a line:

[tex]y=\dfrac{2}{3}x+1[/tex]

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