Seudónimo Seudónimo
  • 03-09-2020
  • Mathematics
contestada

how to do this question plz ​

how to do this question plz class=

Respuesta :

swan85 swan85
  • 03-09-2020

Answer:

y=-2x-1

Step-by-step explanation:

first take 2 points from the graph to find m ( linear equation y=mx+b)

(-1,1) and (-2,3)

m=y2-y1/x2-x1

m=3-(1)/-2+1

m=2/-1

m=-2

now find b at point -1,1

y=-2 x+b

1=-2(-1)+b

b+2=1

b=1-2 ⇒ b=-1

y=-2 x -1

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