## An Introduction to Algebra: With Notes and Observations : Designed for the Use of Schools and Places of Public Education : to which is Added an Appendix on the Application of Algebra to Geometry |

### Inni boken

Resultat 1-5 av 43

Side 13

MOLTIPLICATION , or the

performed in the same manner as in ... case , to begin the operation at the left

hand , and to proceed towards the right , or contrary to the way of multiplying

MOLTIPLICATION , or the

**finding**of the product of**two**or more quantities , isperformed in the same manner as in ... case , to begin the operation at the left

hand , and to proceed towards the right , or contrary to the way of multiplying

**numbers**. Side 67

Substitute the

place of the letters , in one of the

binomial or a residual ... It is required to

+ 672 .

Substitute the

**numbers**, or parts , of which the given surd is composed , in theplace of the letters , in one of the

**two**following formulæ , according as it is abinomial or a residual ... It is required to

**find**the square root of 117-172 , or ✓11+ 672 .

Side 96

Giver ax + by = c , and dutey = f , to

= -bd -bd 9. ... equations by such

their terms the same in them all ; then , having subtracted any

resulting ...

Giver ax + by = c , and dutey = f , to

**find**the**values**of x and y . ce bf af - dc Ans . x= -bd -bd 9. ... equations by such

**numbers**, or quantities , as will make one oftheir terms the same in them all ; then , having subtracted any

**two**of theseresulting ...

Side 99

Let ' = the number required , 1 1 1 Then its part will be 3 and its part 4 4 1 1 And

thereforex x = 16 , by the question , X. 4 3 That is xa X = 48 , or 4x − 3x = 192 ,

Hence x = 192 , the number required . 2. It is required to

Let ' = the number required , 1 1 1 Then its part will be 3 and its part 4 4 1 1 And

thereforex x = 16 , by the question , X. 4 3 That is xa X = 48 , or 4x − 3x = 192 ,

Hence x = 192 , the number required . 2. It is required to

**find two numbers**such ... Side 116

... till they are brought to a quadratic equation , involving only one unknown

quantity and its square , are the same as those already given for simple

equations . 1. To

product 240 .

... till they are brought to a quadratic equation , involving only one unknown

quantity and its square , are the same as those already given for simple

equations . 1. To

**find two numbers**such that their difference shall be 8 , and theirproduct 240 .

### Hva folk mener - Skriv en omtale

Vi har ikke funnet noen omtaler på noen av de vanlige stedene.

### Andre utgaver - Vis alle

An Introduction to Algebra: With Notes and Observations : Designed for the ... John Bonnycastle Uten tilgangsbegrensning - 1818 |

### Vanlige uttrykk og setninger

according added Algebra answer arise arithmetical changed coefficient common denominator compound consequently consisting contained continued cube root denoted determined difference dividend division divisor equal equation EXAMPLES expressed extracting factors find the difference find the square find the sum find the value former four fourth fraction geometrical give Given greater greatest common measure Hence infinite integer kind known least less letters logarithms manner means method mixed quantity multiplied necessary negative Note observed operation perform person placed positive PROBLEM progression proper proportion question quotient rational reduce the fraction remainder represented Required the difference Required the sum required to divide required to find required to reduce resolved result rule second term side signifying square number square root substituted subtracted surd taken taking third tion triangle unknown quantity usual value of x Whence whole numbers

### Populære avsnitt

Side 10 - 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.

Side 20 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.

Side 27 - 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.

Side 167 - Ios- y" &cFrom which it is evident, that the logarithm of the product of any number of factors is equal to the sum of the logarithms of those factors. Hence...

Side 69 - To divide the number 90 into four such parts, that if the first be increased by 2, the second diminished by 2, the third multiplied...

Side 85 - It is required to divide the number 24 into two such parts, that their product may be equal to 35 times their difference. Ans. 10 and 14.

Side 85 - It is required to divide the number 60 into two such parts, that their product shall be to the sum of their squares in the ratio of 2 to 5.

Side 86 - What two numbers are those whose sum, multiplied by the greater, is equal to 77 ; and whose difference, multiplied by the less, is equal to 12 ? Ans.

Side 30 - 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.