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Recommended Open Educational Resources for an Undergraduate Course in College Algebra I (PreCalculus I)

These free and open educational resources are designed to meet the needs of students taking College Algebra I. Two OERs are presented here:
1. College Algebra by Jay Abramson, licensed under CC BY.
2. College Algebra by Stitz and Zeager, licensed under CC BYNCSA.
Abramson’s textbook is adequate and does satisfy all the requirements of a book of outstanding quality, but College Algebra by Stitz and Zeager contains a wide variety of worked examples and many exercises with solutions, so this second resource can be used as a supplemental textbook.


Recommended Open Educational Resources for an Undergraduate Course in Intermediate Algebra

These free and open educational resources are designed to meet the needs of students taking Intermediate Algebra. Two OERs are presented here: Intermediate Algebra by Lynn Marecek & Andrea Honeycutt Matthis, licensed under CC BY, and Intermediate Algebra by John Redden, licensed under CC BYNCSA. The textbook by Marecek & Matthis adequately meets students needs and matches the curriculum for Intermediate Algebra. It is a textbook of excellent quality that students will enjoy learning from. Redden's textbook is recommended as a supplemental texbook. It contains more exercises and worked examples, and students can also see other methods of solving problems.


Recommended Open Educational Resources for an Undergraduate Course in Linear Algebra and Differential Equations

Differential Equations and Linear Algebra is a free and open textbook introducing the basics of differential equations and linear algebra to undergraduate students. Students should have taken courses in Differential and Integral Calculus before using this textbook. This book is a combination of 3 open educational resources:
1. Elementary Differential Equations by William F. Trench, licensed under CC BYNCSA 3.0.
2. Differential Equations for Engineers by Jiří Lebl, licensed under CC BYNCSA 3.0.
3. A First Course in Linear Algebra (an open text) by Lyryx Learning – based on original text by Ken Kuttler, licensed under CC BY.
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