: Contains over 500 exercises designed to reinforce concepts in novel settings.
: Some readers note it provides deep meaning to precalculus topics and is useful for gaining a thorough understanding rather than just a grade.
: It carries the study of first-degree algebraic equations in two and three unknowns further than standard algebra courses. Coordinate Geometry (Dover Books on Mathematics)
: A significant portion of the book is dedicated to the full treatment of invariants of conic sections and quadric surfaces .
: Reviewers from Reddit often praise Dover books for being high-quality, affordable reprints of authentic classics. User Feedback : : Contains over 500 exercises designed to reinforce
: The text reduces geometric problems to algebraic ones using coordinates, a method tracing back to René Descartes.
: While it uses determinants heavily, no prior knowledge of them is assumed; they are introduced as a natural tool from the start. Book Specifications Author Luther Pfahler Eisenhart Pages Edition 1939 Original; 2005 Dover Reprint Binding ISBN 9780486442617 Critical Reception : A significant portion of the book is
: Other reviewers criticize its dated "paragraph" form and lack of diagrams, noting it contains only a few small charts and can be difficult for self-study. A major drawback for many is the lack of an answer key for the exercises. Coordinate Geometry (Dover Books on Mathematics)