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反比例函数的最低点怎么求
更新时间: 2021-06-15 19:02:22  

1、对于二次函数,y=ax^2+bx+c,求一阶导y'=2ax+b,令y'=0得到极值点x=-b/(2a),代入原函数求值即可。

2、反比例函数的图像属于以原点为对称中心的中心对称的两条曲线,反比例函数图象中每一象限的每一条曲线会无限接近X轴Y轴但不会与坐标轴相交(y≠0)。

关键词: 反比例 函数 最低点 怎么

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