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二次函数是近几年中考热点之一,在解决各类数学问题和实际问题中有着广泛的应用,是初等函数中的重要函数.学习二次函数,对于学生数形结合、方程函数等重要数学思想方法的培养,对拓宽学生解题思路、发展智力、培养能力具有十分重要意义.以下是笔者对2016年江苏省各地中考试题中二次函数考点进行的实例分析.
Quadratic function is one of the hottest points in recent years, it has a wide range of applications in solving various mathematical problems and practical problems, and is an important function in elementary functions.Learning quadratic function is important for the combination of student number and form and equation function It is of great significance to broaden the students’ problem-solving ideas, develop their intelligence and cultivate their abilities.The following is an example analysis of the secondary function test points in the middle school entrance examinations in Jiangsu Province in 2016.