解题方法
1 . 在平面直角坐标系中,已知点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b243dc48c3a7cf4db81d38bf468ccf8.png)
A.直线![]() |
B.直线![]() ![]() |
C.直线![]() ![]() |
D.点![]() ![]() ![]() |
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2 . 下列命题中错误 的是( )
A.若直线的倾斜角为钝角,则其斜率一定为负数 | B.任何直线都存在斜率和倾斜角 |
C.直线的一般式方程为![]() | D.任何一条直线至少要经过两个象限 |
您最近一年使用:0次
2024-06-07更新
|
54次组卷
|
2卷引用:河北省石家庄市精英中学2023-2024学年高二上学期第一次调研考试数学试题
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3 . 下列说法不正确的有( )
A.点![]() ![]() ![]() |
B.经过点![]() ![]() |
C.过双曲线![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
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2024-01-22更新
|
330次组卷
|
2卷引用:重庆市西南大学附属中学校2023-2024学年高二上学期期末考试数学试题
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解题方法
4 . 下列结论正确的是( )
A.直线![]() ![]() ![]() ![]() |
B.曲线![]() ![]() ![]() ![]() |
C.已知直线![]() ![]() ![]() ![]() |
D.已知三点![]() ![]() ![]() ![]() |
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解题方法
5 . 下列说法错误的是( )
A.若直线l的斜率![]() ![]() ![]() |
B.已知向量![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.过![]() ![]() ![]() |
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6 . 已知直线
,其中
,
,
的图象如图所示,直线
,
的斜率分别为
,
,纵截距分别为
,
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/d9532977-c51c-47da-9e77-643f9f0ab8e1.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34801f6a91fcd4d9ec73cecf21e3504c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/d9532977-c51c-47da-9e77-643f9f0ab8e1.png?resizew=171)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 下列结论正确的是( )
A.直线的倾斜角越大,其斜率就越大 |
B.若直线![]() ![]() ![]() |
C.过点![]() ![]() |
D.点![]() ![]() ![]() |
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8 . (1)直线倾斜角范围为________
(2)直线与x轴平行时,倾斜角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
______________ ,斜率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
____ .
(3)已知点
、
,且
与
轴不垂直(即
),过两点
、
的直线的斜率公式_________ .
(4)直线的斜率k与倾斜角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_____
(5)斜率k与倾斜角
有如下关系:
当
时,斜率
,且k随倾斜角
的增大而_________ ;
当
时,斜率
,且k随倾斜角
的增大而_________ .
当
时,直线l与x轴垂直,此时直线l的斜率_________ .
(2)直线与x轴平行时,倾斜角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec391f08f1452fb3e0aebe7e12ba4fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a4422395ca20fe847419ec569e48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec391f08f1452fb3e0aebe7e12ba4fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a4422395ca20fe847419ec569e48b9.png)
(4)直线的斜率k与倾斜角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efeda854bf122615bbefc408838feb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
(5)斜率k与倾斜角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/792b253e054f5c46d4bdb4280b9a8bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d165046175c70690335c3c8ce97b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0eef742bb017d3f68c742255579cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a4eaa80b44625890339d6a0065c241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1676b17f3641daf630f709517d22d120.png)
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9 . 下列结论中,不正确的是( )
A.若直线的斜率越大,则其倾斜角越大 |
B.若圆与圆没有公共点,则两圆外离 |
C.直线的一般式方程可以表示平面内任意一条直线 |
D.将已知三点的坐标代入圆的一般式方程,所得三元一次方程组必有唯一一组解 |
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解题方法
10 . 下列结论错误的是( )
A.直线![]() ![]() ![]() |
B.已知两点![]() ![]() ![]() ![]() ![]() |
C.经过点![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次