Review of the slope-intercept form showing how to write an equation given the slope and the y-intercept, and how to write an equation to solve for the y-intercept given the slope and one point.
This clip presents a practical problem that involves predicting how frequently light bulbs will need to be replaced. The solution includes unit equivalences for converting hours to days and days to weeks.
This clip presents unit conversion problems involving sleep that can be solved by utilizing unit equivalences for seconds to minutes and minutes to hours, and then either multiplying or dividing.
This clip introduces unit conversion factors of time involving days and hours. "It is not important to memorize these factors," the clip explains. "As long as you already know the equivalences, you can figure out the unit conversion factors." The cl...
This clip presents several practical problems involving compound units. The problems include calculating a car's speed in miles per minute; the number of gallons of gas used; the force per square foot exerted by a waterbed; and the speed of sound ex...
This clip explains how to divide compound denominate numbers, noting that the first step is to convert the numbers to a single unit. The clip includes practical problems in which the student is asked to figure out how many chassis parts can be assem...
This clip explains that a denominate number is, "
any number that is written with a unit." The clip notes that compound denominate numbers are numbers that have more than one unit. "When we add compound denominate numbers," the clips states, "
we ...
This clip explains the basic units of time and unit equivalences, including seconds, minutes, hours, days, weeks, months, years, decades and centuries.
This clip talks about the long hours and personal sacrifice that are often part of running a small business. It's not uncommon for the business owner to miss important family events because the demands of the business are so great.