an equation containing a single variable of degree 2. Its general form is ax 2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).
noun, Mathematics. 1. 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 […]