# New Elementary Algebra

R.S. Davis & Company, 1866

### Contents

 Algebraic Notation 10 Addition 23 Subtraction 30 Multiplication 36 Division 45 ENTIRE QUANTITIES 55 Transformation of Equations 107 Problems leading to Simple Equa 119
 Simple Equations containing 137 Elimination 144 Simple Equations containing three 153 Reduction of Radicals 201 Subtraction of Radicals 208 Pure Quadratic Equations 215 Powers of Binomials 224 0 274

### Popular passages

Page 53 - That is, the square of the sum of two quantities is equal to the square of the first, plus twice the product of the first by the second, plus the square of the second.
Page 181 - Find the greatest square in the first- period on the left, and place its root on the right after the manner of a quotient in division. Subtract the square of the root from the first period, and to the remainder bring down the second period for a dividend.
Page 279 - ... if the circumference of each wheel be increased one yard, it will make only 4 revolutions more than the hind wheel, in the same distance ; required the circumference of each wheel.
Page 44 - The exponent of a letter in the quotient is equal to its exponent in the dividend, minus its exponent in the divisor. 439. Let it be required to divide a* by a1.
Page 16 - If equal quantities be multiplied into the same, or equal quantities, the products will be equal. 4. If equal quantities be divided by the same or equal quantities, the quotients will be equal. 5. If the same quantity be both added to and subtracted from another, the value of the latter will not be altered.
Page 279 - Divide the number 24 into two such parts, that their product shall be to the sum of their squares, as 3 to 10.
Page 303 - ... that is, Any term of a geometric series is equal to the product of the first term, by the ratio raised to a power, whose exponent is one less than the number of terms. EXAMPLES. 1.
Page 180 - Which proves that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Page 51 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Page 308 - The mean proportional between two quantities is equal to the square root of their product.