a polynomial all of whose terms are of degree 2 in two or more variables, as 5 x 2 − 2 xy + 3 y 2 .
noun, Mathematics. 1. the formula for determining theroots of a quadratic equation from its coefficients: .
noun, Mathematics. 1. a number x that is relatively prime to a given integer y and for which a number z exists whose square gives the same remainder as x when divided by y.
[kwo-drat-iks] /kwɒˈdræt ɪks/ noun, (used with a singular verb) 1. the branch of algebra that deals with equations. [kwo-drat-ik] /kwɒˈdræt ɪk/ adjective 1. . 2. Algebra. involving the and no higher power of the unknown quantity; of the second degree. noun 3. a quadratic polynomial or equation. /kwɒˈdrætɪk/ noun 1. Also called quadratic equation. an […]
[kwod-ruh-cher, -choo r] /ˈkwɒd rə tʃər, -ˌtʃʊər/ noun 1. the act of squaring. 2. Mathematics. 3. Astronomy. 4. Electronics. the relation between two signals having the same frequency that differ in phase by 90°. /ˈkwɒdrətʃə/ noun 1. (maths) the process of determining a square having an area equal to that of a given figure or […]