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例析涉一元二次方程题目及解答的常见错误

Author(s)：
陈水林

Publication Title：

Wen Yuan (Middle School Edition) 2020 No.01

Affiliations：
和平县和平中学广东河源 517200

Abstract：
本文所说涉一元二次方程的题目,分两类:一类是题目本身没有一元二次方程,解答时本可以出现一元二次方程,但往往又可以不需要通过解一元二次方程来求出问题结果,而是在导出一元二次方程之前就已经求出问题结果,这类题目本文称为一元二次方程隐身题,对此类题目要谨防出现无解命题,也就是错题;另一类是指题目或者解答过程中出现一元二次方程,需要应用韦达定理等知识进行求解,对此类题目要防止解答过程出错,即要谨防错解.

Keywords：
一元二次方程;隐身题;韦达定理;应用;错题;错解

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[1] 陈水林.例析涉一元二次方程题目及解答的常见错误[J].Wen Yuan (Middle School Edition),2020(01),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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