解题方法
1 . 已知直线
和曲线
,当
时,直线
与曲线
的交点个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebdb6f43de2c9b38e2dbe05a3e3e688b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fa0ffffd152d11557e7994f947b62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf6c34c80335ee826bd91b0c1256a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.0 | B.1 | C.2 | D.无法确定 |
您最近一年使用:0次
2024-04-05更新
|
288次组卷
|
2卷引用:安徽省亳州市2023-2024学年高三上学期1月期末质量检测数学试题
2 . 直线交曲线
于点A,B,则
的最小值为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 直线
过定点Q,若
为圆
上任意一点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0368e303a0837a4b7c893ec87d9845a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db078760974c0b1d214dcf4924dacb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
A.1 | B.3 | C.4 | D.2 |
您最近一年使用:0次
4 . 直线
:
(
)与圆
:
相交于
、
两点,下列说法正确的个数为( )
①直线
过定点
②
时,弦
最长
③
时,
为等腰直角三角形 ④
时,弦
长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67be817f20d1c03c4b152f08ca7e2de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311516e5293bb3735b4303e51e6172fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bf0c0c35f4eb7e234d4002c9d8164c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
A.3 | B.2 | C.1 | D.4 |
您最近一年使用:0次
解题方法
5 . 直线
与曲线
有交点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63b66e6ec20c073d3c47237e06875c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e654061cc3db447dd09cdd8f75f6e682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 若直线
的斜率小于0,那么该直线不经过( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeccc1f31114743292d931568e4899d.png)
A.第一象限 | B.第二象限 |
C.第三象限 | D.第四象限 |
您最近一年使用:0次
7 . 已知直线
恒过定点A,直线
恒过定点B,且直线
与
交于点P,则点P到点
的距离的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343a8071a834cc78b9c56d73f9a6beec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639dd44f58fb605fc439d2cae3eab396.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/f4ac58609ce7520d3ade159985ba7823.png)
A.4 | B.![]() | C.3 | D.2 |
您最近一年使用:0次
2024-02-18更新
|
279次组卷
|
2卷引用:北京市清华附中高22级2023-2024学年高二上学期期末数学试题
解题方法
8 . 下列说法正确的是( )
A.若直线![]() ![]() ![]() |
B.直线![]() ![]() |
C.圆![]() ![]() ![]() ![]() |
D.与圆![]() ![]() ![]() |
您最近一年使用:0次
9 . 已知直线
与
交于点
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3da863fef03c2406bbaa7d1dac20acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f505ec90e76c03085220dd7c84cf90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a06ae875e4116f29c145e0fa2e5dbf.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-14更新
|
255次组卷
|
3卷引用:内蒙古赤峰市松山区赤峰学院附属中学2023-2024学年高二上学期1月期末数学试题
解题方法
10 . 点
为两条直线
和
的交点,则点
到直线
:
的距离最大为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962b58f6e56b0bdd3d356b016a16760b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48cad35cd979f666505108fc2c7595f5.png)
A.![]() | B.![]() | C.![]() | D.5 |
您最近一年使用:0次