TESTS

Final Exam

Due Thursday, May 7th

On all of the following problems, please show all work. For problems 1-13 (it is okay to use Maple to check answers, but Maple should not be a substitute for working the problems out by hand. Problems 14-18 can be worked with Maple's assistance. Submit your work as a Microsoft Word File or PDF file. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me as an attachment at npsigmon@radford.edu. Since this is a take home test, no collaboration is allowed.


Written Homework Assignments that are due 

Due Tuesday, April 28th

This assignment is problems from Section 13 and Section 14.

Submit your handwritten work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu. 

Section 13 p. 16 # 2a, 2b, 3b, 4c, 4d, 5d, 6b, 6d, 7, 8, 9

Section 14 p. 17 # 3






Hints and Answers for Homework Problems
 

Previous handin homework assignments
 

Maple Assignments
There are no currently Maple assignments due
 

Practice Textbook Homework and Additional Exercise Assignments


 

Previous handin homework assignments 

Due Tuesday, February 3rd

This assignment is from Sections 1 and 2 on modular arithmetic and introductory concepts involving rings. Submit your work as a Microsoft Word File or Adobe pdf file. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu

Section 1 p. 13 at end of notes
# 1a, 1c, 1d, 1f
# 2b, 2c
# 3b, 3c
# 4a

Section 2 p. 10 at end of notes
# 1b, # 1c, # 1e (on these, just state whether they are rings - you do not have to prove they satisfy all of the ring axioms)
# 2c # 2d
# 3b, #3c, #3e
# 4
# 6
# 9a, #9b

Due Tuesday, February 10th.

This assignment is problems from Section 3 and 4 on integral domains and polynomial rings.

Submit your work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu

Section 3 p. 10 at end of notes
# 1a, 1d # 2a, 2e # 4 # 8 # 9

Section 4 p. 8 at end of notes
# 1d # 2a, #2f # 4 # 6 # 9


Due Tuesday, February 17th

This HW will cover Section 5 on find the greatest common divisor of two polynomials. 

Submit your work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu

Section 5, p. 10 at end of notes # 1a, 1f, 2a, 2f, 3, 4

Due Tuesday, March 3rd

Written Homework

This homework covers Section 6  concerning irreducible polynomials. Due Tuesday, February 24th in Class. Submit your work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu

Section 6 p. 14 at end of notes # 2c, 3, 4c, 7, 8a, 8b, 8e, 9c, 10b, 10c, 13, 15


Homework with Maple

Do the Exercises 1c, 1d, 2d, 2e, 3a, 3b, 4a, 4d, 5a, 5b, 6a, 6b at the bottom of the sample attached Maple worksheet maplemodgcd.mw. You can hand this part of assignment in as a Microsoft Word file (or pdf file) and placing the file in the Desire2Learn submission drop box or by just emailing it to me at npsigmon@radford.edu


Due Tuesday, March 17th

This homework covers Section 7 concerning  congruence class arithmetic using polynomials. Due Tuesday, March 17th in Class. Submit your work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu

Section 7: p. 11 at end of notes # 1b, 2b, 4, 5, 7, 8, 12, 15


MIDTERM

Due Tuesday March 24th

This assignment is your midterm take home test.  On all of the following problems, please show all work (it is okay to use Maple to check answers, but Maple should not be a substitute for working the problems out).  Submit your work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me as an attachment at npsigmon@radford.edu. Since this is a take home test, no collaboration is allowed.

ma623midtermsp2015.doc(121 KB)
 


Due Tuesday, March 31st

This homework covers problems from Sections 8 and 9. Submit your work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu

Section 8 p. 13 at the end of the notes # 1a, 1d, 2a, 2b, 3b, 5a, 5b, 6

Section 9: p. 9 # 1b, 1c, 1d, 1e # 2, 3, 4, 5


Due Tuesday, April 7th

This assignment covers Problems from Section 10 with an additional Maple applet assignment on finite fields. Submit your handwritten work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the DesiretoLearn  submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu. For the Maple assignment, save your result as a Word file and place it as an attachment in the Desire2Learn submission drop box or just email it to me at npsigmon@radford.edu

Section 10: p. 8 # 1a, 1c # 2b, 2c

Maple Worksheet For the Exercises at the bottom of FiniteFieldSection10Maple.mw # 1a, 2a, 3, 5


Due Tuesday, April 14th in Class

This assignment covers Problems from Section 11 with an additional Maple assignment on Reed-Solomon Codes. Submit your handwritten work as a Microsoft Word File. You can hand this assignment in by placing it as an attachment in the Desire2Learn submission drop box for this assignment or just emailing it to me at npsigmon@radford.edu. For the Maple assignment, save the screenshot of your results as a Word file attachment in the Desire2Learn submission drop box or just email it to me at npsigmon@radford.edu

Section 11: p. 21 # 1, 2, 3, 5

Maplet Exercises For the Exercises in the Reed-Solomon Codes Maplet Exercises worksheet # 3, 4


Due Tuesday, April 21st

This assignment is problems from Section 12 HW plus a Maplet assignment on shift and affine ciphers. Submit your homework as a Word or pdf file by placing it in the D2L dropbox or emailing it me at npsigmon@radford.edu.

Section 12 p. 21 # 1a, 1c, 2a, 2b, 3b, 8, 9, 11, 12, 14b

Maplet Assignment from Exercises at bottom of Maple Worksheet MapletExercisesforShifandtAffineCiphers.doc

# 1, 4, 6, 9, 11, 13, 14