briannafox36 briannafox36
  • 19-10-2020
  • Mathematics
contestada

What’s the slope of (-8,2) (1,9)

Respuesta :

serenavass
serenavass serenavass
  • 19-10-2020

Step-by-step explanation:

equation of the line passing through two points

x-x1/x2-x1=y-y1/y2-y1

x-(-8)/1-(-8)=y-2/9-2

x+8/9=y-2/7

7x+56=9y-18

9y=7x+56+18

y=7/9x+74/9

y=mx+b m is the slope

so m=7/9

there is a short way showing slope shown in the picture

Ver imagen serenavass
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