| 释义 |
quadratic equation
UK [kwɒdˌræt.ɪk.ɪ'kweɪ.ʒən] US [-ˌrætˌ-] noun countable
■an equation (= mathematical statement) which includes an unknown value that is multiplied by itself only once, and which does not include an unknown value multiplied by itself more than once 二次方程式•In the quadratic equation, 2y 2 +3y=14, y=2 or y=-3½.在二次方程式2y2+3y=14中，y=2或y=-3½ |