# A College Algebra

Allyn & Bacon, 1889 - Algebra - 363 pages
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### Contents

 DEFINITIONS AND NOTATION 9 FUNDAMENTAL OPERATIONS I021 21 idea of how many that is of Arithmetical Number 23 CHAPTER V 33 LOWEST COMMON MULTIPLE 41 SURDS AND IMAGINARIES 46 CHAPTER VII 56 CHAPTER VIII 78
 CHAPTER XI 115 CHAPTER XII 122 CHAPTER XIII 134 CHAPTER XIV 148 CHAPTER XVI 193 CHAPTER XVII 215 CHAPTER XVIII 224 CHAPTER XIX 237

 CHAPTER IX 92 the fraction 94 DISCUSSION OF PROBLEMS 99
 CHAPTER XXI 266 CHAPTER XXIII 347 Copyright

### Popular passages

Page 110 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.
Page 193 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 228 - From 12 books in how many ways can a selection of 5 be made, (1) when one specified book is always included, (2) when one specified book is always excluded ? (1) Since the specified book is to be included in every selection, we have only to choose 4 out of the remaining 11. Hence the number of ways...
Page 235 - In general, if an event may happen in a ways, and fail in b ways, and each of these ways is equally likely to occur, the probability of its happening is -, and the probability of its failing is...
Page 109 - D. That is : If the product of two quantities is equal to the product of two other quantities, two of them may be made the extremes, and the other two the means of a proportion.
Page 116 - The pressure of wind on a plane surface varies jointly as the area of the surface, and the square of the wind's velocity. The pressure on a square foot is 1 Ib.
Page 107 - A ratio of greater inequality is diminished, and a ratio of less inequality is increased, by adding the same quantity to both its terms.
Page 21 - To divide a polynomial by a monomial, divide each term of the polynomial by the monomial: (Sab — 12ac) -i- 4a = 36 — 3c.
Page 3 - To measure a quantity is to find how many times it contains another quantity of the same kind, called a unit of measurement.