How many do you want me to answer? I will answer in the comments :)
Answer
False
FalseThe correct point slope form passing through points (x1,y1) is (y-y1)=m (x-x1)(y−y1)=m(x−x1)
This only happens when the ordinary ratio is greater than one, the terms of the sequence will get bigger and bigger, and if you add larger numbers you won't get a definitive answer.
If she starts with $8000, she has only $7000 to go.This is reduced by $850 per month.
$7000 - $850x