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13-12-2019
Mathematics

contestada

. Which is the equation of the line
through (1, 11) and (-2, 2)?
A y = 3x–8. c y = 1/x + 8
B 3x + y = 8 D -3x + y = 8

Respuesta :

Yang100 Yang100

13-12-2019

Answer:

y=3x+8

Step-by-step explanation:

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

m=(2-11)/(-2-1)

m=-9/-3

m=9/3

m=3

y-y1=m(x-x1)

y-11=3(x-1)

y-11=3x-3

y=3x-3+11

y=3x+8

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