Direct variation is used in a practical problem to find the threshold weight for men of different heights.
A practical work problem that requires finding out how long it will take two workers with different work speeds to complete a task is solved using an equation with a rational expression. Two different approaches to findi..
A work problem is presented to determine how long it will take to fill a pool that has an open drain.
Using the elimination method of calculate the hourly pay rates of an electrician and his apprentice on two different jobs given the total cost of each job.
The Pythagorean Theorem is used to calculate where the braces should be placed to hang a store's sign so that the bottom falls six inches above the door.
Practice developing an equation to solve a time and distance problem.
Practice evaluating and solving a word problem.
Writing a system of equations to find the length and width of a rectangle, given the perimeter, and using the formula for finding the perimeter of a rectangle.
How to multiply a monomial by itself.
Demonstration of how to multiply monomials.