1 . 在平面直角坐标系
中,已知圆
:
与直线
交于
,
两点,过
,
分别作圆
的切线
,
.若
与
交于点
,且
为线段
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7be93039a4e6805e757ecc2308d06c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0accaaa66de4dfd9ed8257fa942c2cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2 . 已知P是圆
上的一个动点,直线
上存在两点A,B,使得
恒成立,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5754303c50e412d0757a32f1abbb0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6755d03c30c4a3987bdaf50a9d86a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:云南省昆明市第一中学2024届高三第十次考前适应性训练数学试卷
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3 . 已知
是圆
上的一个动点,直线
上存在两点
,使得
恒成立,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5754303c50e412d0757a32f1abbb0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96cf4e0597c02b029561a2d6d82a2ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 下列结论正确的是( )
A.直线![]() ![]() ![]() |
B.已知直线![]() ![]() ![]() |
C.已知直线![]() ![]() ![]() |
D.已知直线l过定点![]() ![]() ![]() |
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5 . 设
是同一平面上的两个区域,点
,点
两点间距离的最小值叫做区域
间的距离,记作
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7fb0990b4f03bdc3ab069eee2f0657.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9996ec4a66a3bfa55154dbca1a4fb112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8409da55f617c7bdee0f9a19aa6d2792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d7224242ab75080dfb394a39ebf7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a43a8c7efc4377dd4e753abec8f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da9d94557de61d1caaaf54338aae000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7fb0990b4f03bdc3ab069eee2f0657.png)
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6 . 设直线
:
与圆C:
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1275c7e5dd2787827c77b8998302d58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be68dfb4d8b5f3adfc250b7d23e64165.png)
A.直线![]() |
B.直线![]() |
C.当![]() ![]() ![]() |
D.直线![]() ![]() |
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7 . 唐代诗人李颀的诗《古从军行》开头两句:“白日登山望烽火,黄昏饮马傍交河”隐藏着一个有趣的数学问题——“将军饮马”,即某将军观望完烽火台之后从山脚的某处出发,先去河边饮马,再返回军营,怎样走能使总路程最短?在平面直角坐标系中有两条河流m,n,其方程分别为
,
,将军的出发点是点
,军营所在位置为
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f7fbfa2214ca72495a993b2fed8b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debb915eafbf76a3aed841bbf651a21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5548cf6f14c42364e7a6e9562ee5f88.png)
A.若将军先去河流m饮马,再返回军营,则将军在河边饮马的地点的坐标为![]() |
B.将军先去河流n饮马,再返回军营的最短路程是![]() |
C.将军先去河流m饮马,再去河流n饮马,最后返回军营的最短路程是![]() |
D.将军先去河流n饮马,再去河流m饮马,最后返回军营的最短路程是![]() |
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8 . 过点
作圆
的切线
,直线
与直线
平行,则直线
与
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577620a3b886932bbcf2f2f3dd725d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb542e6dfdaad8d50d9206f90d85b22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe0a98defcad0583c073d828c074730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.4 | B.2 | C.![]() | D.![]() |
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9 . 已知
是直线
上的动点,
为坐标原点,过
作圆
的两条切线,切点分别为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980737863d238e24e443230ff19d9bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
A.当点![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2卷引用:云南省2024届高三第一次高中毕业生复习统一检测数学试题
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10 . 已知直线
与圆
相交于
两点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a0b13a2452045c72294c29c1b17cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ab21cf4f8f8ffa5dafd65eeb72c99a.png)
A.![]() | B.1 | C.![]() | D.2 |
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