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Mth 28, College Algebra & Elementary Trigonometry
Fall 2025, Section D08, 21704


Instructor: Cormac O'Sullivan
We meet in CP 308 on Mon, Wed, 4:00 – 5:50.

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Class Information and the syllabus

Here is our MTH 28 textbook, you can download the pdf

Review sheets and more

Math Tutoring Lab - very helpful for any math questions
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 Mth 28 Class Calendar  (reload page for latest version)

  Date Day Sections covered Homework
         
1 Aug 27 Wed Introduction, 3.5 Functions  
         
  Sept 1 Mon No class  
2 Sept 3 Wed 6.1 Greatest Common Factors and Factoring by Grouping HW #1
         
3 Sept 8 Mon 6.2 Factoring Trinomials  
4 Sept 10 Wed 6.3 Special Products, 6.4 General Strategies for Factoring HW #2
         
5 Sept 15 Mon 6.5 Polynomial Equations  
6 Sept 17 Wed 7.1 Multiply and Divide Rational Expressions HW #3
         
  Sept 22 Mon No class  
  Sept 24 Wed No class  
         
7 Sept 29 Mon 7.1 Multiply and Divide Rational Expressions, Review  
  Oct 1 Wed No class  
         
8 Oct 6 Mon QUIZ 1, then 7.2 Add and Subtract Rational Expressions HW #4
9 Oct 8 Wed 7.2 Add and Subtract Rational Expressions  
         
  Oct 13 Mon No class  
10 Oct 14 Tue (Monday schedule) 7.3 Simplify Complex Rational Expressions  
11 Oct 15 Wed 7.4 Solve Rational Equations, Review HW #5
         
  Oct 20 Mon No class  
12 Oct 22 Wed QUIZ 2, then 8.1 Simplify Expressions with Roots HW #6
13 Oct 24 Fri (Monday schedule) 8.1, 8.2 Simplify Radical Expressions  
         
14 Oct 27 Mon Review for midterm  
15 Oct 29 Wed Midterm exam  
         
16 Nov 3 Mon 8.3 Simplify Rational Exponents HW #7
17 Nov 5 Wed 8.3, 8.4 Add, Subtract, and Multiply Radical Expressions  
         
18 Nov 10 Mon 8.5 Divide Radical Expressions HW #8
19 Nov 12 Wed  8.6 Solve Radical Equations  
         
20 Nov 17 Mon 8.8 Use the Complex Number System, Review HW #9
21 Nov 19 Wed QUIZ 3, then 9.1, 9.2 Solve Quadratic Equations Using the Square Root and by Completing the Square  
         
22 Nov 24 Mon 9.3 Solve Quadratic Equations Using the Quadratic Formula
HW #10
23 Nov 26 Wed 9.3, Then we look at Section 5.4 of this book
5.4 Right Triangle Trigonometry
Trig. notes Part I
 
         
24 Dec 1 Mon 5.4 Right Triangle Trigonometry
Trig. notes Part II
HW #11
25 Dec 3 Wed 5.4 Right Triangle Trigonometry, Review
 
         
26 Dec 8 Mon QUIZ 4, then Review for the final Review
sheet
27 Dec 10 Wed Review for the final  
         
28 Dec 15 Mon Review for the final
Student survey
 
      Study Halls for the final on Mon, Tue, Wed  
  Dec 17 Wed Final Exam: 4 -- 5:50