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In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple combination of an everyday number and a basic operation cause such problems? Watch the following video so you can answer the next 4 questions correctly on this lab assignment. 

  (A Little Back-Story shared by Professor Kelly Kozma) What made me officially fall in love with mathematics was finding the beauty in its applications. Understanding the applications of what I was learning about was the answer to my pressing question: When will we ever use this in real life? The honest answer to this question will depend on your career or your trade. Like myself, you may be thinking, “I’m never going to use this again.” Although that may be true for some mathematics concepts, that doesn’t mean we shouldn’t learn about it and understand it to the best of our ability.   Therefore, the purpose of this lab is to expose you to the many different applications of radicals. Personally, I learned a lot during the process of creating and exploring this activity. I didn’t realize that radicals were used for so many things! While I will be grading your work for correctness, I do hope that you at least take one thing away from this activity, and that is how useful radicals (and other mathematics topics) are to understanding the world around us.   Do your best. Take your time. Feel free to meet with a lab tutor in the Osceola Math Depot to discuss these questions.     Watch these videos for help:

You can contact your instructor by using the [contact] to send a message.

Multiplying Rational Expressions What is an important step in multiplying two rational expressions?

Naomi tried to perform the following addition and reduce to lowest terms:   This is her work:   What mistake did Naomi make in combining the rational expressions?

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The textbook for this course is Intermediate Algebra by Emmanuel and it is NOT available in the campus store for purchase.

Understanding Undefined Values in Rational Expressions Which statement best explains how to determine the values for which the rational expression  is undefined?

Use the graph of the function to identify its domain and range.  Write the answers in interval notation.  Do not use spaces in your answer. Domain: [domain] Range: [range]

Determine which method is MOST appropriate for solving the system.  Choose each method only once. System 1 System 2 System 3 System 1: [graphing] System 2: [substitution] System 3: [elimination]