Welcome to the permanent home page for Section ES31 of MATH-1100 (Intermediate Algebra) at Southeast Community College in the Fall term of 2019. I am Toby Bartels, the instructor.

Here is material about the administration of the course:

Information to contact me: I am often available outside of those times; feel free to send a message any time and to check for me in the office whenever it's open.

Required resources

The official textbook for the course is the 4th Edition of Elementary & Intermediate Algebra written by Sullivan et al and published by Prentice-Hall (Pearson).

Rational expressions and inequalities

  1. General review:
  2. Adding rational expressions:
  3. Complex rational expressions:
  4. Rational equations:
  5. Word problems with division:
  6. Compound inequalities:
  7. Absolute value:
Quiz/Exam 1, covering the material above, is on October 1 Tuesday.

Systems and roots

  1. Systems of equations:
  2. Word problems with multiple variables:
  3. Mixture problems:
  4. Roots:
  5. Simplifying radical expressions:
  6. Arithmetic with roots:
  7. Dividing radical expressions:
  8. Radical equations:
  9. Complex numbers:
Quiz/Exam 2, covering the material above, is on November 5 Tuesday.

Quadratic equations and functions

  1. Quadratic equations:
  2. The quadratic formula:
  3. Fancy equations:
  4. Relations:
  5. Functions:
  6. Graphs of functions:
  7. Linear functions:
  8. Quadratic functions:
Quiz/Exam 3, covering the material above, is on December 5 Thursday.


A comprehensive final exam is on December 13 Friday from 1:00 PM to 3:00 PM. The exam will consist of questions similar in style and content to those in the practice final exam (DjVu).
This web page and the files linked from it (except for the official syllabus and the textbook access instructions) were written by Toby Bartels, last edited on 2019 December 5. Toby reserves no legal rights to them.

The permanent URI of this web page is