In this lesson, the instructor provides solutions to a practice test problem. The problem involves solving for the length and width of a rectangular room given its area and the relationship between its length and width. The instructor demonstrates the steps to set up and solve the equation, including factoring and solving for the variables. The lesson emphasizes the importance of checking the answers to ensure they make sense in the context of the problem.
These are solutions to a Practice Test made for my online Elementary Algebra class.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com