Answer:
y=-4x-11
Step-by-step explanation:
Equation line of (-3,1) and (-5,9) into y=mxtb
1=m(-3)+b
9=(-5)+b
1=-3m+b
9=-5m+b
3m-b=-1
5m-b=-9
-b+3m
-b+5m
-b+3m+b-5m=-1+9
3m-5m=-1+9
-2m=-1+9
-2m=8
m=-8
2
m=-4
-b+3(-4)=-1
-b-2=-1
-b=-1+12
-b=11
b=-11
m=4
substitute into y=mx+b
y=-4x-11
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