Respuesta :

Answer:

y=9x-9

Step-by-step explanation:

first we need to know what is M

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

m=(0-9)/(1-2)

m=-9/-1

m=9

use the point above and plug it in

y=mx+b

0=1*9+b

b=-9

slope-intercept form y=mx+b (put the number in)

y=9x-9

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