dwayne999 dwayne999
  • 04-02-2020
  • Mathematics
contestada

which is an equation of the line that passes through the points 1,3 and -1,1

Respuesta :

josshyaby
josshyaby josshyaby
  • 04-02-2020

Answer:

Step-by-step explanation:

The points are (1, 3) and (-1, 1)

y2 = 1, y1 = 3, x2 = -1 and x1 = 1

Slope m = (y2 - y1)/(x2 - x1)

m = (1 - 3)/(-1 - 1)

m = -2/-2

m = 1

The question is

y - y1 = m(x - x1)

y - 3 = 1(x - 1)

y - 3 = x - 1

y = x - 1 + 3

y = x + 2

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