# Elementary Algebra Practice Exam Solutions #28

Taught by YourMathGal
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Part of video series
Meets NCTM Standards:
Lesson Summary:

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.

Lesson Description:

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

• Where can I find Algebra practice exam problem questions and answers?
• If the width of a rectangular room is 7 meters less than twice its length, and the area of the room is 15 square meters, how can you write and solve an equation to find the width and length of the room?
• How can you solve the equation L(2L - 7) = 15?
• If you know the length of a rectangular room and the area of the room, how can you find its width?
• How do you know if a solution to a word problem is reasonable / possible?
• #### Staff Review

• Currently 4.0/5 Stars.
This lesson goes through an example problem from a practice Algebra exam. Each step in this word problem is shown clearly. The topic covered in this video is writing and solving an equation for the length and width of a rectangular room from a word problem.