The parallel line will have the same slope which is 5. The perpendicular line will have a slope of which is the negative reciprocal. To assist you in seeing this relationship, look at 5 as the fraction . Its negative reciprocal would then be .
The Source. Cost of incarceration in the U.S. more than $1 trillion. The cost of incarceration in the United States exceeds $1 trillion, or six percent of gross domestic product, and dwarfs the amount spent on corrections alone, finds a new study from Washington University in St. Louis.
Keeping hundreds of thousands of people in jail while awaiting trial is not cheap. Pretrial incarceration costs the U.S. about $9 billion every year. It costs $60 on average per day to fill a single jail bed, and in some counties that cost jumps to more than $200 per day. Taxpayers are picking up the tab.