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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

## Plane Trigonometry with Tables

Claude Irwin Palmer, Charles Wilbur Leigh - Plane trigonometry - 1914 - 308 pages
...30° + j sin 30°). 96. Square roots of a number. — Let z2 = r2 (cos 0 + j sin 0) be the number. Now the square root of a number is one of the two equal factors of the number. By Art. .94, when a number is squared the modulus is squared and the amplitude is doubled....

## The Alvord and Davis Drill and Problem Book in Arithmetic: For Fifth to ...

Charles P. Alvord, M. Elsie Davis - Arithmetic - 1914 - 250 pages
...corporation. The Square of a number is the product obtained by taking the number twice as a factor. The Square Root of a number is one of the two equal factors of that number. Stock or Capital Stock is a name given to the capital of a company or corporation....

## Elementary Algebra

George William Myers, George Edward Atwood - Algebra - 1916 - 362 pages
...without actually multiplying : 1. (a+6 -c)2 2. (a-6+c)2 3. (a-6+c)2 4. (a-x+2)2 5. (a+x-2)2 6. (a+x-2)2 The square root of a number is one of the two equal factors whose product is the number. Give the square root of 9; 25; 64; 144; a2; x4; 462; IQxY; lOOaW; (a+1)2;...

## Agricultural Arithmetic

William Timothy Stratton, Benjamin Luce Remick - Arithmetic - 1916 - 264 pages
...equal factors 6 and 6, that is, 36 = 6x6, then one of these factors is called the square root of 36. The square root of a number is one of the two equal factors of the number. Similarly, if we write 125 as 5 x 5 x 5, then one of these factors is called the cube...

## Plane and Spherical Trigonometry

Claude Irwin Palmer, Charles Wilbur Leigh - Logarithms - 1916 - 188 pages
...30° + j sin 30°). 96. Square roots of a number. — Let z2 = r2 (cos 0 + j sin 0) be the number. Now the square root of a number is one of the two equal factors of the number. By Art. 94, when a number is squared the modulus is squared and the amplitude is doubled....

## Modern Business Arithmetic: Complete Course

Harry Anson Finney, Joseph Clifton Brown - Business mathematics - 1916 - 506 pages
...product obtained by using the number twice as a factor. Thus, since 3 x 3 = 9 ; 9 is the square of 3. The square root of a number is one of the two equal factors of the number. Thus, the square of 4 is 16. The square root of 16 is 4. The square root of a number...

## Elementary Algebra

Elmer Adelbert Lyman, Albertus Darnell - Algebra - 1917 - 520 pages
...respectively, and 3, m, and a + & are the square roots of 9, m2, and a2 + 2 ab + bi respectively. 389. Since the square root of a number is one of the two equal factors of a perfect second power, numbers that are not exact squares, strictly speaking, have no square roots....

## Printers' Arithmetic

Charles Lingle Woodfield - Arithmetic - 1917 - 154 pages
...section on changing a square surface into a rectangle requires one to know how to find the square root. The square root of a number is one of the two equal factors of that number. In each problem of the next section the square root will consist of a whole number...