Welcome to the Math 142 Homepage

From this page, you will be able to review homework assignments and sections that were covered each class meeting. If you have any questions regarding what you have viewed on this page, please contact me at esorensen2@radford.edu

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Class Date

Topics Covered

Homework Assignment

Week 1

 

 

Wednesday, January 21

Course Introduction; Syllabus Review

Section 1.3: Introduction to Logic

(Deductive Reasoning and Inductive Reasoning)

None

Friday, January 23

Section 1.3: Symbolic Logic

pg. 38: 5-9 (a-c for each problem)

     

Week 2

 

 

Monday, January 26

Section 1.3: Truth Tables
(Conjunctions and Disjunctions)

pg. 38-39: 11(a-e), 14, 15,16, 17

Wednesday, January 28

Section 1.3: DeMorgan's Law,
Logically Equivalent Statements

Handout Given in Class
(Click HERE to Access Handout)

Friday, January 30

Section 1.5: Implications (The Conditional)

pg. 65-67: 4, 7, 20

     

Week 3

 

 

Monday, February 2

Section 1.5: Implications (Continued) Converse, Inverse and Contrapositive

pg. 67: 25 (a and c only - and prove that the Implication and Contrapositive are logically equivalent with a truth table), 
26 (a, c), 27 (a, c)

Wednesday, February 4

Section 1.6: Validity of Arguments

pg. 76: 1, 2, 6, 9 (a)

Friday, February 6

Section 1.6: Validity of Arguments (Continued)

Handout Given in Class
(Click HERE to Access Handout)

     

Week 4

 

 

Monday, February 9

OJ Simpson Trail and Logic

None

Wednesday, February 11

Section 1.4: Predicates and Quantifiers

pg. 51-52: 5, 7, 8

Friday, February 13

Section 1.4: Quantifiers and Venn Diagrams

Begin Review for Test #1

Handout Given in Class
(Click HERE to Access Handout)

 

Practice Test #1 Problems Here
(Click HERE to Access Handout)

     
Week 5    

Monday, February 16

Class Canceled (Snow)

None

Wednesday, February 18

Review for Test #1

Practice Test #1 Problems Here
(Click HERE to Access Handout)

Friday, February 20

Class Canceled

 
     
Week 6    

Monday, February 23 

  Test #1 (Chapter 1)

 

Wednesday, February 25

Return Test #1
Section 3.1: Introduction to Sets and Set Notation

Review Test #1

Friday, February 27

Section 3.1: Introduction to Sets and Set Notation
(Set Builder Notation, Unions, and Intersections)

pg. 193-195: 1, 4, 5, 6, 8, 12(a, c)

     
Week 7    

Monday, March 2

Section 3.1: Cardinality of Sets and Venn Diagrams

Handout Given in Class
(Click HERE to Access Handout)

Wednesday, March 4

Section 2.1: Introduction to Proofs

pg. 96: 1 (a, c, e, g), 2 (a-d), 5 (a, b)
Prove: "If n is even, then n squared is divisible by 4."

Friday, March 6

Education Discussion

None

     
Week 8    

Monday, March 16

Section 2.1: Introduction to Proofs (Con't)

pg. 97: 9 (a-c)

Wednesday, March 18

Section 2.2: Indirect Proofs and Proving by Cases

Prove each statement:

1. If  is even, then n is even. (HINT: Use an indirect proof).

2. For any integer n,  is even.

Friday, March 20

Section 2.2: Proving by Cases and Mod Notation

See RU email for Proofs to be done for next week.

     
Week 9    
Monday, Wednesday, Friday (March 23, 25, 27)

See RU email for Proofs

(Numbers, Indirect Proof, and Proofs by Cases)

 
     
Week 10    
Monday, March 30

Review of Proofs from Week 9

(Numbers, Indirect Proof, and Proofs by Cases)

Section 2.3: Introduction to Proofs by Induction

None

Wednesday, April 1

Section 2.3: Proofs by Induction (Con't.)

Handout Given in Class
(Click HERE to Access Handout)

Friday, April 3

Review for Test #2 (Sets)

Practice Test #2 Problems Here
(Click HERE to Access Handout)

Practice Test #2 Proofs Handout from Class

     
Week 11    

Monday, April 6 

  Test #2 (Chapters 2 and 3):

Sets Theory and Proofs

 

Wednesday, April 8

Section 7.1: Graph Theory
(Euler Graphs, Euler Paths, Hamilton Circuits, and Spanning Trees)

Review Test #2

Friday, April 10

Section 7.2: Graph Theory (Con’t): Hamilton Circuits, Spanning Trees, Minimum Spanning Trees 

Handout Given in Class
(Click HERE to Access Handout) 

     
Week #12    

 Monday, April 13

Section 5.2: The Counting Principle

pg. 395: 1, 2 (a, c), 3, 9, 11

 Wednesday, April 15

Section 6.1: Basic Probability

Pg. 446-447: 1 (a,c), 2 (a), 3 (a,c), 4 (a), 7 (a, c, e)

Friday, April 17

Section 5.2: Permutations

Have a Great Weekend!

     
Week #13    

Monday, April 20

Section 5.2: Combinations

Handout Given in Class
(Click HERE to Access Handout) 

 Wednesday, April 22

Review for Test #3

Friday, April 24

Test #3

 

     
Week #14    

Monday, April 27

Return Test #3

Begin Review for Final Exam

(Review of Tests 1 and 3)

 

 

Wednesday, April 29

Finish Review for Final Exam

(Review of Test #2)

 

Friday, May 1

Office Hours (9am-noon) Walker Hall 210

 

Final Exam

Monday, May 2

(12:30pm-2:30pm)