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.
This is hard to believe, U.S. Courts report that in 2010 it cost $28,284 to keep someone imprisoned in a federal prison for a full year. As you probably know, thanks in large part to idiotic drug laws, the United States has the highest incarceration rate in the world...