You are allowed and encouraged to work together on homework. Yet, each student is expected to turn in their own work. In general, late homework will not be accepted. However, you are allowed to turn in **up to two late homework assignments with no questions asked**. When doing your homework, I encourage you to consult the Elements of Style for Proofs. Unless otherwise indicated, submit each of the following assignments via BbLearn by the due date. You will need to capture your handwritten work digitally and then upload a PDF to BbLearn. There are many free smartphone apps for doing this. I use TurboScan on my iPhone.

Reviewing material from previous courses and looking up definitions and theorems you may have forgotten is fair game. However, when it comes to completing assignments for this course, you should *not* look to resources outside the context of this course for help. That is, you should not be consulting the web, other texts, other faculty, or students outside of our course in an attempt to find solutions to the problems you are assigned. This includes Chegg and Course Hero. On the other hand, you may use each other, the textbook, me, and your own intuition. **If you feel you need additional resources, please come talk to me and we will come up with an appropriate plan of action.** Please read NAU’s Academic Integrity Policy.

I reserve the right to modify the assignment if the need arises.

**Homework 1:**Read the syllabus and write down 5 important items. Submit a PDF of your written work to the corresponding assignment on BbLearn.*Note:*All of the exam dates only count as a single item. (Due Wednesday, January 13)**Homework 2:**Create a free Discord account, accept the invite to our Discord server, and post something about yourself in the #introductions channel. (Due Wednesday, January 13)**Homework 3:**Complete the problems found here. (Due Wednesday, January 20)**Homework 4:**Complete the problems found here.**Important!**Problem 2 has been updated. It had an “off by one” error in the index. (Due~~Monday, January 25~~Tuesday, January 26)**Homework 5:**Complete the problems found here. (Due Monday, February 1)**Homework 6:**Complete the problems found here. (Due Monday, February 8)**Homework 7:**Complete the problems found here. (Due Monday, February 15)**Homework 8:**Complete the problems found here. (Due Monday, February 22)**Homework 9:**Complete the problems found here.**Note:**Updated on March 11. (Due Monday, March 15)**Homework 10:**Complete the problems found here. (Due Monday, March 22)**Homework 11:**Complete the problems found here. (Due Monday, March 29)**Homework 12:**Complete the problems found here. (Due Monday, April 5)**Homework 13:**Complete the problems found here. (Due Monday, April 19)

Mathematics & Teaching

Northern Arizona University

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MAT 226: Discrete Math

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Flagstaff and NAU sit at the base of the San Francisco Peaks, on homelands sacred to Native Americans throughout the region. The Peaks, which includes Humphreys Peak (12,633 feet), the highest point in Arizona, have religious significance to several Native American tribes. In particular, the Peaks form the Diné (Navajo) sacred mountain of the west, called Dook'o'oosłííd, which means "the summit that never melts". The Hopi name for the Peaks is Nuva'tukya'ovi, which translates to "place-of-snow-on-the-very-top". The land in the area surrounding Flagstaff is the ancestral homeland of the Hopi, Ndee/Nnēē (Western Apache), Yavapai, A:shiwi (Zuni Pueblo), and Diné (Navajo). We honor their past, present, and future generations, who have lived here for millennia and will forever call this place home.