matthewblanche01 matthewblanche01
  • 04-11-2018
  • Mathematics
contestada

which is the equation of the line through (1 11) and (-2 2)

Respuesta :

cmoreno511 cmoreno511
  • 05-11-2018

Answer: y=3x+8


Step-by-step explanation:

(1 11) and (-2 2)


Find slope first "m"

M= y2-y1/x2-x1

M= 2-11/-2-1

M= -9/-3

M=3


Now use one the points with slope to find b


Y=mx +b with point (1,11) and slope 3.


Y=mx+b

11=3(1)+b

11=3+b

11-3=b

8=b


Now substitute to make equation


Y=3x+8

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