 An equation that, when simplified, contains the square of the unknown number, but no higher power, is called an equation of the second degree, or a quadratic equation.  First Year Algebra - Page 237by William James Milne - 1911Full view - About this book
 | Joseph Ray - Algebra - 1848 - 252 pages
...equation in which the highest power of the unknown quantity is of the second degree, that is, a square, is called an equation of the second degree, or a quadratic equation. REVIEW. — 145. What is an equation? Give an example. 146. Of how many parts is every equation composed?... | |
 | Joseph Ray - Algebra - 1848 - 250 pages
...equation in which the highest power of the unknown quantity is of the second degree, that is, a square, is called an equation of the second degree, or a quadratic equation. REVIEW. — 145. What is an equation ? Give an example. 146. Of how many parts is every equation composed... | |
 | Joseph Ray - Algebra - 1852 - 408 pages
...simple equation. An equation in which the highest power of the unknown quantity is of the second degree, is called an equation of the second degree, or a quadratic equation. Similarly, we have equations of the third degree, fourth degree, and so on; those of the third degree... | |
 | Thomas Sherwin - Algebra - 1855 - 262 pages
...itself, shall produce 25; and we know that 5.5 = 25 Hence, z = 5 women, Ans. The equation 12 z2 = 300 is called an equation of the second degree, or a quadratic equation, because it contains the second power or square of the unknown quantity. In general, an equation of... | |
 | Joseph Ray - Algebra - 1857 - 408 pages
...simple equation. An equation in which the highest power of the unknown quantity is of the second degree, is called an equation of the second degree, or a quadratic equation. Similarly, we have equations of the third degree, fourth degree, and so on; those of the third degree... | |
 | Thomas Sherwin - 1862 - 252 pages
...itself, shall produce 25; and we know that 5.5 = 25 Hence, x = 5 women, Ans. The equation 12 z 2 = 300 is called an equation of the second degree, or a quadratic equation, because it contains the second power or square of the unknown quantity. In general, an equation of... | |
 | George Albert Wentworth - Algebra - 1894 - 200 pages
...the same number. How many apples hns each ? CHAPTER XII. QUADRATIC EQUATIONS. 158. An equation which. contains the square of the unknown number, but no higher power, is called a quadratic equation. 159. A quadratic equation which involves but one unknown number as x, can contain... | |
 | Emerson Elbridge White - Algebra - 1896 - 418 pages
...(d3)-2x(a-3)-l 26. 27. CHAPTER XV. QUADRATIC EQUATIONS. 439. An equation which, when cleared of fractions, contains the square of the unknown number, but no higher power, is an equation of the second degree. An equation of the second degree is called a quadratic equation.... | |
 | William James Milne - Algebra - 1901 - 476 pages
...— 5 x + 6 = 0, and so find the values of x. How many values has x ? 286. An integral equation that contains the square of the unknown number, but no higher power, is called a Quadratic Equation, or an equation of the second degree. It is evident, therefore, that quadratic... | |
 | William James Milne - Algebra - 1902 - 620 pages
...— ñ x + 6 = 0, and so find the values of x. How many values has x ? 286. An integral equation that contains the square of the unknown number, but no higher power, is called a Quadratic Equation, or an equation of the seccmd degree. It is evident, therefore, that quadratic... | |
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