Douglas Gardner 
Introduction to Algebra and Geometry [PDF ebook] 

Introduction to Algebra and Geometry introduces students to the concepts in algebraic relationships that can be applied to further study of math at the college level. Intended for college-level developmental math students, this book gives student the tools to understand and apply algebra and geometry to the fields of engineering, science, welding, diesel mechanics, and more. This book is a reprint of chapters from Douglas Gardner’s Applied Algebra I and Applied Algebra II, packaged in a more condensed format.