# quadratic

Also found in: Thesaurus, Encyclopedia, Wikipedia.

Related to quadratic: quadratic equation, quadratic formula

## quad·rat·ic

(kwŏ-drăt′ĭk)*adj.*

*Mathematics*

Of, relating to, or containing quantities of the second degree.

[From quadrate.]

**quad·rat′ic**

*n.*

**quad·rat′i·cal·ly**

*adv.*

## quadratic

(kwɒˈdrætɪk)*maths*

*n*

(Mathematics) Also called:

**quadratic equation**an equation containing one or more terms in which the variable is raised to the power of two, but no terms in which it is raised to a higher power*adj*

(Mathematics) Also:

**quadratical**of or relating to the second power## quad•rat•ic

(kwɒˈdræt ɪk)*adj.*

**1.**

*Algebra.*involving the square and no higher power of the unknown quantity; of the second degree.

*n.*

**2.**a quadratic polynomial or equation.

[1650–60]

**quad•rat′i•cal•ly,**

*adv.*

## quad·rat·ic

(kwŏ-drăt′ĭk) Relating to a mathematical expression containing a term of the second degree, such as

*x*^{2}+ 2. ♦ A**quadratic equation**is an equation having the general form*ax*^{2}+*bx*+*c*= 0, where*a, b,*and*c*are constants. ♦ The**quadratic formula**is*x*= [-*b*± √(*b*^{2}- 4*ac*)]/2*a*It is important in algebra, where it is used to calculate the roots of quadratic equations.ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | quadratic - an equation in which the highest power of an unknown quantity is a squareequation - a mathematical statement that two expressions are equal |

2. | quadratic - a polynomial of the second degreemultinomial, polynomial - a mathematical function that is the sum of a number of terms | |

Adj. | 1. | quadratic - of or relating to or resembling a square; "quadratic shapes" |

2. | quadratic - of or relating to the second power; "quadratic equation" |

Translations

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

Link to this page: