d6kz2nhwmt d6kz2nhwmt
  • 27-06-2022
  • Mathematics
contestada


What is the equation of the blue line?

What is the equation of the blue line class=

Respuesta :

jimrgrant1 jimrgrant1
  • 27-06-2022

Answer:

y = - 3x - 1

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 1, 2) and (x₂, y₂ ) = (0, - 1)

m = [tex]\frac{-1-2}{0-(-1)}[/tex] = [tex]\frac{-3}{0+1}[/tex] = [tex]\frac{-3}{1}[/tex] = - 3

the line crosses the y- axis at (0, - 1 ) ⇒ c = - 1

y = - 3x - 1 ← equation of line

Answer Link
keoleon091180 keoleon091180
  • 27-06-2022
Y=-3x-1

I think that’s right
Answer Link

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