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二次函数是初中数学与高中数学共同的重要知识点,初中二次函数教学过程中,抽象化的二次函数知识较不易为学生接受,而进入高中阶段后,学生思维能力得到很大提高,二次函数的定义较以前有了更深层次的变化,高中数学教学过程中大量运用到二次函数的知识,使得学生能更好的把握二次函数的性质及其应用方法。二次函数在解决不等式、数列等高中数学问题时,能够在很大程度上降低数学问题的难度,帮助学生更好的掌握解题方法。同时,二次函数也是高考数学的重要知识点,
The quadratic function is the common knowledge of junior middle school mathematics and high school mathematics. In the process of junior secondary function teaching, the abstract quadratic function knowledge is not easy to be accepted by the students. After entering the high school, the students’ thinking ability is greatly improved, The definition of quadratic function has deeper changes than before. The knowledge of quadratic function is widely used in high school mathematics teaching so that students can better grasp the nature of quadratic function and its application method. Quadratic Functions Solving math problems in inequality, series, etc. can greatly reduce the difficulty of math problems and help students master the problem solving methods better. At the same time, the quadratic function is also an important knowledge of college entrance examination mathematics point,