1. net worth is equal to assets minus liabilities. which event will have the greatest impact (positive or negative) on one's net worth? finance a used car at market value for $16,000 inherit $2,000 from a relative go on a vacation that costs $3,500 buy a new car at market value for $15,000. car depreciates 20% upon transfer of ownership from the dealer to the buyer. pay off $4,000 of school loans with cash

The answer is Go on a vacation that costs $3,500 

Paying off money for buying a car will not decrease your net worth as you get the car as assets for the money you use. But the depreciates 20% will cause you to lose $3,000 assets. Assuming you are not buying assets at all, go on a vacation that costs $3,500 will increase liability.
Paying up bills will decrease your asset but it also decreases your liability to the net worth wouldn't change. 

The law of supply and demand