adreahlafleur20 adreahlafleur20
  • 15-09-2021
  • Mathematics
contestada

Which equation represents the line through (4, -6) and (0,2)

Respuesta :

jimrgrant1 jimrgrant1
  • 15-09-2021

Answer:

y = - 2x + 2

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 ) = (4, - 6) and (x₂, y₂ ) = (0, 2 )

m = [tex]\frac{2-(-6)}{0-4}[/tex] = [tex]\frac{2+6}{-4}[/tex] = [tex]\frac{8}{-4}[/tex] = - 2

The line crosses the x- axis at (0, 2 ) ⇒ c = 2

y = - 2x + 2 ← equation of line

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