Elementary Algebra (Classic Reprint)

Ol PREFACE This book is designed primarily for the use of those who are beginning the study of algebra; it is, however, sufficiently extensive to serve as a text for a review of algebra during the third or fourth year of the high school course in those schools in which the curricula call for such a review. In preparing this text the authors have kept in view the fact that no substantial progress in algebra is possible for the student unless due emphasis is placed on the fundamental principles and processes of the subject, and that these essentials must be provided for irrespective of whatever trend the teaching of algebra may have had within the last few years, or may have in the future. Long experience in teaching has convinced the authors that the technical terms employed and the principles involved in problems of physics and engineering are not sufficiently understood to warrant their inclusion in an elementary course in algebra ;that practically the whole of such a course should be devoted to the treatment of the elements of the subject itself, and that the problems referred to may be. solved with little difficulty by the student who has mastered the first course in algebra before he begins the study of physics. However, they believe that formulae drawn from various sources, including physics and engineering, should be used extensively in elementary algebra; for there is, perhaps, no more important practical exercise in the subject than that which comes from determining the actual or approximate numerical value of a literal number which occurs in a formula, when given numerical values are substituted for the remaining letters of the formula.
(Typographical errors above are due to OCR software and don't occur in the book.)

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