名校
1 . 已知圆
,点
是圆
上的一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccdfd6d3e21084121ea5cd11b6b26e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.圆![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-06-13更新
|
90次组卷
|
2卷引用:安徽省六安第一中学2024届高三下学期质量检测(三 )数学试卷
名校
解题方法
2 . 已知直线
与
相交于
两点,若
是直角三角形,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6bfe3b6f3b0d7d0fb49b48472623f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e124866e77f0f2ea81e31b5ef30c9ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c72229b08c676c08a3c7258895375f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 或 ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-06-12更新
|
327次组卷
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3卷引用:安徽省合肥市一六八中学2024届高三下学期最后一练数学试题
名校
解题方法
3 . 过
的直线
被曲线
所截得的线段长度为
,则直线
的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530e5817131adf2c05b99ff18eb9060f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58824f9f1ec40ade500d17a72231c8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
4 . 达·芬奇方砖是在正六边形上画了具有视觉效果的正方体图案,如图1,把三片这样的达·芬奇方砖拼成图2的组合,这个组合再转化为图3所示的几何体,图3中每个正方体的棱长为1,E,F为棱
,AB的中点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/25/fd3c49c3-5e41-456e-bea6-0e77d5c08723.png?resizew=377)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/25/fd3c49c3-5e41-456e-bea6-0e77d5c08723.png?resizew=377)
A.点P到直线CQ的距离为2 |
B.直线![]() ![]() |
C.平面![]() ![]() ![]() |
D.平面![]() ![]() ![]() |
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5 . 在一个特定时段内,以点
为中心的7海里以内海域被设为警戒水域,点
正北55海里处有一个雷达观测站
,如图所示.某时刻测得一艘匀速直线行驶的船位于点
北偏东
且与点
相距
海里的位置
,经过40分钟又测得该船已行驶到点
北偏东
(其中
)且与点
相距
海里的位置
.
(2)若该船不改变航行方向继续行驶,判断它是否会进入警戒水域?如果会,大约会在警戒水域行驶多少海里?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270800ba975e87235e8802a631e5f3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05185a60d5d37c5af32ffea71066b1c.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/3fc8683acdb0ff28b06ba96716cf9d63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d3413e1978040c5e98cb463464f56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a196a5dbd7c7661eca3d1fb4af0f3651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若该船不改变航行方向继续行驶,判断它是否会进入警戒水域?如果会,大约会在警戒水域行驶多少海里?
您最近一年使用:0次
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6 . 若点
是曲线
上任意一点,点
是直线
上任意一点,下列选项中,
的可能取值有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a64e30d1f0c088f6c09010529173e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
7 . 已知直线
与
均与
相切,点
在
上,则
的方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b909964895b78b88b749d513ce6bf74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f17a213554a29bb0ebb3cd6241fcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86022205a7487439dd8d0897cd3bf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
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2024-04-18更新
|
511次组卷
|
4卷引用:安徽省六安市六安第一中学2024届高考模拟预测数学试题(四)
名校
解题方法
8 . 已知双曲线
的左,右焦点分别为
,
,过
作一条渐近线的垂线,垂足为
,延长
与另一条渐近线交于点
,若
为坐标原点
,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc6121bff7f652361e2afdf31cbc896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2b5b1e9ef7dd60486b550eb4cbec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fee109b1ce39651522dac54cd8c833e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-13更新
|
798次组卷
|
3卷引用:安徽省黄山市2024届高中毕业班第二次质量检测数学试题
名校
9 . 已知点M是直线
和
(
)的交点,
,
,且点M满足
恒成立,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fa20b17b23c1a311f7dc80375ad5c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4268305724411b03bc73a0cfa10ae02a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4776e87dd96658bb5ffe1b09cb98c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbf85b5a94c6c35f7a85d59e494614e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f63f0bdeade1904c747ec9ef0ff3443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db63c26111b9ddcbd4bc22665e5e69df.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-02更新
|
551次组卷
|
2卷引用:2024届安徽省示范高中皖北协作区高三下学期数学联考试题
名校
10 . 已知抛物线
的焦点为
,过点
的直线
与
交于
两点,过
作
的切线
,交于点
,且
与
轴分别交于点
.
(1)求证:
;
(2)设点
是
上异于
的一点,
到直线
的距离分别为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2347bec7975dab2b8bce2fd19b1237d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b5cf737a2d900dd219d2d6a748c063.png)
(2)设点
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc7d996f8424be495ed968d86ff7a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51da5fa73e01566141fb9a2f313d2894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cdfdc88f219fcf0b2dfbde2a16f943f.png)
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2024-04-01更新
|
2155次组卷
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3卷引用:安徽省合肥市2024届高三第一次教学质量检查数学试题