A.若直线的倾斜角为![]() ![]() |
B.若直线的斜率为![]() ![]() |
C.若直线的倾斜角为![]() ![]() |
D.若直线的斜率为0,则此直线的倾斜角为0或![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfae3e6220f1c464a54787feed6cf588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e222c14e46e2fcbb8285eeb18e5ba7.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
【知识点】 斜率与倾斜角的变化关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c39c16d3c056a9627afbc9501e3f8b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405acf722469031add583aa2a0e12a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3fd1e4a264b9c256df782129b4b312.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
【知识点】 已知斜率求参数
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
【知识点】 斜率与倾斜角的变化关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4601349ac4c70f5868564ced5c957e54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a2b15482f293a936cab5a648dae6a.png)
![](https://img.xkw.com/dksih/QBM/2019/6/7/2220515770687488/2220752693895168/STEM/a8e87b72b68a40b292bf9f25918fbcb5.png?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 斜率与倾斜角的变化关系
A.-2![]() | B.0 | C.![]() | D.2![]() |
【知识点】 直线斜率的定义
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3050a4354b73cfbcc4b4d09bfdfaed90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57998f3b64323367306c5e15876e0def.png)
A.![]() | B.1 | C.2 | D.![]() |
【知识点】 已知斜率求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad42625f296d2a4b65180e2f7b776beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc68fc64a94a227977b7679629c5ea34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
【知识点】 已知斜率求参数
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/60a460fb-4694-4db7-ada2-c237c7c97cf7.png?resizew=184)
【知识点】 斜率与倾斜角的变化关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8708d0738d8531a3207cd209f0e57c9.png)
【知识点】 斜率与倾斜角的变化关系 直线与线段的相交关系求斜率范围
【知识点】 斜率公式的应用
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0b78171a4d834a3c1fd9a484bd2e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bb7ff5012ac35f2e5fa64b0247ce93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb189381103ad1e758fd8cfedb6355.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fecdbb564d76077de1d163243933a81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d3032c2532cb9b71bbe19de048139d.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1720c968854106555f4dfcb7f38cdac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1282cc43ebf4b459832fec04d805989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b5e164e4c4a86eb4d9873797bad402.png)
【知识点】 斜率与倾斜角的变化关系 已知两点求斜率 斜率公式的应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54822a1c8cd1ad8c5b84e1c33ed9bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53f07581e46ae0e0838dbca7aa46377.png)
(1)求直线l斜率k的范围;
(2)直线l倾斜角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
【知识点】 斜率与倾斜角的变化关系 直线与线段的相交关系求斜率范围