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斜率为负时大小怎么看
更新时间: 2021-02-19 11:52:29  

1、在第二象限,直线越接近90°,直线斜率越大,值为负。

2、直线斜率正负判断:用右手在线条下端向右侧划线,组成的角度为锐角的,斜率为正,角度为钝角的,斜率为负。

3、曲线斜率正负判断:曲线上点的切线所在直线的斜率为k。k>0,斜率为正;k<0,斜率为负。

关键词: 斜率 大小 怎么

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