# A Practical Treatise on Algebra: Designed for the Use of Students in High Schools and Academies

Robert S. Davis and Company, 1852 - 336 σελίδες

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### Περιεχόμενα

 DEFINITIONS AND NOTATIONS 9 SECTION 16 SECTION III 22 SECTION V 37 SECTION VI 44 SECTION VII 67 SECTION VIII 78 EQUATIONS OF THE FIRST DEGREE CONTAINING TWO UNKNOWN Quan 85
 ARITHMETICAL PROGRESSION 214 GEOMETRICAL PROGRESSION OR PROGRESSION BY QUOTTENT 237 SECTION XXII 240 SECTION XXIV 247 SECTION XXV 254 SECTION XXVI 274 DEPOSITS 280 SECTION XXIX 287

### Δημοφιλή αποσπάσματα

Σελίδα 54 - RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Σελίδα 39 - 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.
Σελίδα 235 - There are four numbers in geometrical progression, the second of which is less than the fourth by 24 ; and the sum of the extremes is to the sum of the means, as 7 to 3. What are the numbers ? Ans.
Σελίδα 61 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Σελίδα 263 - And if the given number be a proper vulgar fraction ; subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm sought ; which, being that of a decimal fraction, must always have a negative index.
Σελίδα 267 - BY LOGARITHMS. RULE. FROM the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Σελίδα 193 - Multiply the difference of the two numbers, found by trial, by the least error, and divide the product by the difference of the errors, when they are alike, but by their sum, when they are unlike. Or say...
Σελίδα 100 - J- of the sum of the shares of the other three, the share of the second £ of the sum of the other three, and the share of the third £ of the sum of the other three ; and it was found that the share of the oldest exceeded that of the youngest by \$14.
Σελίδα 284 - Then, as the difference of these results is to the difference of the two assumed numbers, so is the difference between the true result, given...
Σελίδα 119 - Multiply the index of the quantity by the index of the power to which it is to be raised, and the result will be the power required.