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直线斜率的取值范围 斜率是什么

更新时间: 2021-11-12 23:29:43     

1、直线斜率的取值范围:(-∞,+∞)。

2、斜率,亦称“角系数”,表示一条直线相对于横轴的倾斜程度。一条直线与某平面直角坐标系横轴正半轴方向的夹角的正切值即该直线相对于该坐标系的斜率。如果直线与x轴垂直,直角的正切值无穷大,故此直线不存在斜率。当直线L的斜率存在时,对于一次函数y=kx+b(斜截式),k即该函数图像(直线)的斜率。

关键词: 直线 斜率 范围 什么

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