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The Square Root of a number is one of the two equal factors that produce the number ; thus the square root of 49 is 7, for 7 X 7 = 49.
The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ... - Page 380
by Horatio Nelson Robinson - 1860 - 456 pages

## The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - Arithmetic - 1875 - 468 pages
...order, the 25 as tens of the second order, or the 254 as tens of the first order. SQUARE ROOT. 655. The Square Root of a number is one of the two equal...that produce the number. Thus, the square root of 64-is 8, for 8 x 8 = 64. To derive the method of extracting the square root of a number, it is necessary...

## Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1875 - 406 pages
...be extracted ; but only the perfect powers can have exact roots. SQUARE ROOT. 432. The Square Eoot of a number is one of the two equal factors that produce the number ; thus the square root of 49 is 7, for 7 X 7 = 49. 433. In extracting the square root, the first thing to be determined is the...

## A Practical Business Arithmetic ...

Lorenzo Fairbanks - 1875 - 468 pages
...being placed under the common radical sign, or index. Thus, -\/18 x -\/ 3 = and //75 SQUARE ROOT. 614. The Square Root of a number is one of the two equal factors of which it is composed, or a number which multiplied by itself will produce the given number. 615....

## The Philosophy of Arithmetic as Developed from the Three Fundamental ...

Edward Brooks - Arithmetic - 1876 - 570 pages
...power that can be resolved into its prime factors. CASE II. To extract the Square Boot of a number. The Square Root of a number is one of the two equal factors of the number. The square root of a number may also be defined to be a number which, used as a factor...

## The Complete Arithmetic, Oral and Written: Second Part

Daniel W. Fish - Arithmetic - 1876 - 302 pages
...equal factors of 16 ? 81 ? 256 ? 4. Of what is 81 the 2d power ? The 4th power ? DEFINITIONS. 806. The Square Root of a number is one of the two equal factors of that number ; the Cube Root is one of the three equal factors of that number, etc. Thus, 3 is the...

## The New American Arithmetic, Part 3

Samuel Mecutchen, George Mornton Sayre - Arithmetic - 1877 - 200 pages
...omitted. Roots are sometimes indicated by a fractional exponent. Thus, 9* denotes the square root of 9. The Square Root of a number is one of the two equal factors by whose multiplication the number is produced. The Cube Root of a number is one of the three equal...

## The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1875 - 446 pages
...order, the 25 as tens of the second order, or the 254 as tens of the first order. SQUARE ROOT. 655. The Square Root of a number is one of the two equal...the number. Thus, the square root of 64 is 8, for 8x8 = 64. To derive the method of extracting the square root of a number, it is necessary to determine...

## Elements of Algebra

George Albert Wentworth - Algebra - 1881 - 402 pages
...+ an. 9. ax — ay — bx + by. 5. cda? — cxy + dxy — y2. 10. ecfe2 — cyz + dyz — y2. 123. The square root of a number is one of the two equal factors of that number. Thus, the square root of 25 is 5 ; for, 25 = 5 X 5. The square root of a4 is a2 ; for,...