Last Updated
：2026/01/11
二次方程式
Hiragana
にじほうていしき
Noun
Japanese Meaning
未知数の二乗を含む形の代数方程式。一般に ax^2 + bx + c = 0（a ≠ 0）の形で表される。 / 学校数学で学習する、次数が 2 の方程式全般を指す用語。 / 物理・経済などで、現象を二次関数モデルで記述したときに現れる基本的な方程式。
Easy Japanese Meaning
文字の二乗をふくむ、たかさが二の数の形のほうていしき
Chinese (Simplified) Meaning
最高次数为2的方程 / 含有未知数二次项的方程
Chinese (Traditional) Meaning
最高次為二的代數方程式 / 可化為 ax^2 + bx + c = 0 的形式的方程式
Korean Meaning
이차방정식 / 최고차항의 차수가 2인 방정식
Indonesian
persamaan kuadrat / persamaan polinomial derajat dua / persamaan dengan variabel berpangkat dua
Vietnamese Meaning
phương trình bậc hai / phương trình có dạng ax^2 + bx + c = 0
Tagalog Meaning
ekwasyong kuwadratiko / ekwasyon na may antas na 2 / ekwasyon na may anyong ax^2 + bx + c = 0
Sense（1）
a quadratic equation
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
See correct answer
二次方程式
See correct answer
Solving a quadratic equation is difficult.
See correct answer
二次方程式を解くのは難しいです。
Japanese - English
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