# New Elementary Algebra

Leach, Shewell & Sanborn, 1879
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### Contents

 Definitions 7 Addition 8 Arithmetical Progression 17 Fundamental Rules 57 Fractions 74 General Principles of Fractions 75 Simple Equations 103 Transformation of Equations 105
 Pure Quadratic Equations 132 Problems leading to Simple Equa 139 Simple Equations containing three 145 Affected Quadratic Equations 153 EVOLUTION 166 QUADRATIC 186 Radical Equations 208 269 218

 Problems leading to Simple Equa 115 Simple Equations containing 131

### Popular passages

Page 283 - The logarithm of a product is equal to the sum of the logarithms of its factors.
Page 54 - The square of the difference of two quantities is equal to the square of the first, minus twice the product of the first by the second, plus the square of the second.
Page 276 - ... 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 266 - ... two triangles are to each other as the products of their bases by their altitudes.
Page 71 - The LEAST COMMON MULTIPLE, of two or more quantities is the least quantity that can be divided by each of them without a remainder. Define a Multiple. Define a Common Multiple of two or more quan.
Page 263 - If any number of quantities are proportional, any antecedent is to its consequent as the sum of all the antecedents is to the sum of all the consequents. Let a : b = c : d = e :f Now ab = ab (1) and by Theorem I.
Page 105 - If the same operations are performed upon equal quantities, the results will be equal. Hence, — Both members of an equation may be increased, diminished, multiplied, or divided by the same quantity, without destroying the equality.
Page 255 - The fore wheel of a carriage makes 6 revolutions more than the hind wheel, in going 120 yards; but if the circumference of each wheel...
Page 151 - To raise a whole number or a decimal to any power, use it as a factor as many times as there are units in the exponent.
Page 320 - f- to find the values of x and y. (*Vf-2a;y=1295. > 9. Find two numbers such that their sum, their product, and the difference of their squares shall be equal to one another.