curriculum/challenges/english/blocks/learn-applications-of-linear-systems/6363d2019078df117ce4c3fe.md
This first video will look at key words that tell you what math operation to use. Then you will see how to apply some of your code to different problems.
Here are links to the textbooks you will need to complete the assignments for this video:
- <a href="https://lyryx.com/subjects/business/business-mathematics/" target="_blank" rel="noopener noreferrer nofollow">Business Math, a Step-by-Step Handbook (2021) by Jean-Paul Oliver</a>
- <a href="https://cdn.freecodecamp.org/curriculum/college-algebra/AlgebraAndTrigonometry-OP_1tE6R5r.pdf" target="_blank" rel="noopener noreferrer nofollow">Algebra and Trigonometry by Jay Abramson</a> - sourced from OpenStax under <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">Creative Commons Attribution 4.0 International (CC BY 4.0)</a>
It is also possible to download the Algebra and Trigonometry textbook from the <a href="https://openstax.org/details/books/algebra-and-trigonometry" target="_blank" rel="noopener noreferrer nofollow">OpenStax website</a>. You will need to find the correct textbook and then download the PDF. The page numbers for the assignment are based on the first link for this book.
Complete the problems on pages 63, 75, 85, and 118 from "Business Math, a Step-by-Step Handbook (2021)".
Complete the problems on pages 304, 308, and 321 from "Algebra and Trigonometry".
Which of the following key words indicate subtraction?
plus, more, increase, up
difference, less, decrease, down
of, by, factor, area, times
out of, per, divided, quotient
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