quadratic equation
Longman Dictionary of Contemporary English 5++LDOCE 5++quad·rat·ic e·qua·tion /kwɒˌdrætɪk ɪˈkweɪʒən $ kwɑː-/ noun [countable] technicalHM an equation such ax²+by+c = z, which includes numbers or quantities multiplied by themselves 二次方程（式）
Examples from the Corpus
quadratic equation• One boy was solving a quadratic equation, another was engaged with Euclid.Origin quadratic equation (1600-1700) quadratic from quadrate “square” ((14-21 centuries)), from Latin quadratus, past participle of quadrare “to make square”quad·rat·ic e·qua·tion nounChineseSyllable
Corpus equation includes an which z, numbers such = ax²+by+c
quadratic equation
quad‧rat‧ic e‧qua‧tion /kwɒˌdrætɪk ɪˈkweɪʒən $ kwɑː-/
noun [countable]
quad‧rat‧ic e‧qua‧tion /kwɒˌdrætɪk ɪˈkweɪʒən $ kwɑː-/
noun [countable] Date: 1600-1700
Origin: quadratic from quadrate 'square' (14-21 centuries), from Latin quadratus, past participle of quadrare 'to make square'
technical an equation such ax²+by+c = z, which includes numbers or quantities multiplied by themselves
Origin: quadratic from quadrate 'square' (14-21 centuries), from Latin quadratus, past participle of quadrare 'to make square'