quadratic

English

Alternative forms

• quadratick (obsolete)

Etymology

Confer French quadratique.

Adjective

quadratic (not comparable)

1. square-shaped
2. (mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers, as $ax^2 + bx + c$.
3. (mathematics) of an equation, of the form $ax^2 + bx + c = 0$.
4. (mathematics) of a function, of the form $y = ax^2 + bx + c$.

Translations

of a class of polynomial of the form $y = a.x^2 + b.x + c$

• Dutch: kwadratisch
• Esperanto: kvadrata (eo)
• Finnish: neliöllinen, kvadraattinen
• French: quadratique (fr) m and f
• German: quadratisch (de)
• Greek: τετραγωνικός m τετραγωνική f τετραγωνικό n

• Italian: quadratico (it) m, quadratica (it) f
• Japanese: 二次 (ja) (niji)
• Scottish Gaelic: ceàrnach (gd)
• Swedish: kvadratisk (sv), andragrads (sv)-, andragradspolynom (sv)

Noun

quadratic (plural quadratics)

1. (mathematics) A quadratic polynomial, function or equation.

Related terms

• quadrate
• quadratic equation
• quadratic form
• quadratic mean
• quadratic reciprocity theorem
• quadratic residue

See also

• cubic
• linear
• quartic
• quintic

External links

• quadratic in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• quadratic in The Century Dictionary, The Century Co., New York, 1911
• quadratic at OneLook Dictionary Search