2023·全国·模拟预测
名校
解题方法
1 . 已知点
,P是圆
上的动点,G为平面内一点.若直线NP上一点Q满足
且
,则
不可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a29ba49963134a7232fa8574105fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd957f933a384e4cd1591f92a53f3644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f769534b11e59b13f65a039a6dac313c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49b88b2c953553bf247a20c31d57763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc94d2886db80a11b81b71f9a6d1d7a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知圆
与圆
的一个交点为M,动点M的轨迹是曲线C,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9aecbb08e26a95332325a248fe20a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cafe6abf2675e52e456304dca762573.png)
A.曲线C的方程式![]() |
B.曲线C的方程式![]() |
C.过点![]() ![]() |
D.曲线C上的点到直线![]() ![]() |
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2023-03-22更新
|
484次组卷
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3卷引用:湖北省襄阳市第一中学2023-2024学年高二上学期10月月考数学试题
解题方法
3 . 折纸是一种高雅的艺术活动.已知正方形纸片
的边长为2,现将
沿对角线
旋转
,记旋转过程中点
的位置为点
中点分别为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e7a123c9cc0e058db28841fb0edcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc80e4a57521af0b402d92b3408d22c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5df92548825892c451cc423389ba63.png)
A.![]() |
B.![]() ![]() |
C.旋转过程中,![]() ![]() |
D.![]() ![]() |
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解题方法
4 . 给出以下四个结论,其中所有正确结论的序号是( )
A.命题“![]() ![]() ![]() ![]() |
B.“![]() ![]() |
C.若扇形的周长为6,半径为2,则其圆心角的大小为1弧度 |
D.若函数![]() ![]() ![]() ![]() |
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解题方法
5 . 已知抛物线
:
的焦点为
,直线
交抛物线于
两点(
异于坐标原点
),交
轴于点
(
),且
,直线
,且与抛物线相切于点
.
(1)求证:
三点共线;
(2)过点
作该抛物线的切线
(点
为切点),
交
于点
.
(ⅰ)试问,点
是否在定直线上,若在,请求出该直线,若不在,请说明理由;
(ⅱ)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/537617e8d64bf7e88f35bfbd8b2cf846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544530e1133b2924ccfbe691141a5641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad562cf1121289af8cca9820027946b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6606c98ccdc5faef9ffa4b0f56b1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2abcaa76f901eec276edd7c610f9fd.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(ⅰ)试问,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4cfa648f36aa112901dc938eb74a3f.png)
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2023-01-12更新
|
1228次组卷
|
6卷引用:湖北省部分重点中学2023届高三上学期1月第二次联考数学试题
湖北省部分重点中学2023届高三上学期1月第二次联考数学试题湖北省恩施州高中教育联盟2023届高三上学期期末数学试题山东省安丘市青云学府2023届高三下学期一模数学试题(已下线)大题强化训练(3)专题20平面解析几何(解答题)(已下线)专题3.9 圆锥曲线中的定点、定值、定直线问题大题专项训练【九大题型】-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)
名校
解题方法
6 . 下列说法正确的是( )
A.角![]() ![]() |
B.圆的一条弦长等于半径,则这条弦所对的圆心角等于![]() |
C.经过![]() ![]() |
D.若角![]() ![]() ![]() ![]() |
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2023-01-11更新
|
1089次组卷
|
5卷引用:湖北省武汉外国语学校2022-2023学年高一上学期期末数学试题
解题方法
7 . 平面直角坐标系
中,椭圆
离心率为
,且经过
与
两点;
(1)求椭圆
的标准方程;
(2)椭圆上有关于
轴对称的两点
,过椭圆外,
轴正半轴上一点
作椭圆
的切线,切点为
;连
交椭圆于另一点
,连
交
轴于点
,证明:
,使
成立;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93c13c9d1a1f85ab7a9b044c669bf53.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆上有关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7be191bf19bae1c72645cbc909b07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4811cfefdc1f298ce09c5c611ce3ea6f.png)
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名校
解题方法
8 . 《绿色通道》作业88面第12题:已知双曲线
左右两个焦点分别为
,过
的直线交双曲线的右支于点
,且满足:
,
的周长等于焦距的3倍,若
,则双曲线离心率的取值范围是______.
我校高二某班的小楚同学在处理这个题目时提出了自己的见解,他认为这个曲线的离心率在已知比例和周长的条件下应该是个确定的值而不是某个范围,所以条件
可能是个多余的“伪条件”.你是否认同小楚同学的观点?若认同,请你求出此曲线的离心率,若不认同,请你说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01e0c43c8c52d04824420717eb52969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a7681c38f74e21181bb9de077b0c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d1caba33704c0a5ddaf328e0f6037.png)
我校高二某班的小楚同学在处理这个题目时提出了自己的见解,他认为这个曲线的离心率在已知比例和周长的条件下应该是个确定的值而不是某个范围,所以条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291d1caba33704c0a5ddaf328e0f6037.png)
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9 . 选择性必修Ⅰ数学教材习题3.2有这样一个题:已知圆
的半径为定值
,点
为圆
外的一定点,点
为圆
上的动点,线段
的中垂线交直线
于点
,则点
的轨迹是双曲线.若点
为圆
平面上的一定点,则点
的轨迹还有可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.椭圆 | B.圆 | C.一个点 | D.直线 |
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名校
10 . 如图①,
,将图①中左右两个三角形沿着
翻折成为图②所示的三棱锥,棱
上的点
满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/d762f87b-936e-4b11-95e2-a5828ad05ba9.png?resizew=373)
(1)过点
作截面
平面
,写出作法并证明;
(2)当二面角
的大小为
时,求直线
与(1)中平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a584d06388fd4fd142832bc2205639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7420dde38d656e3926e8228d81c13277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/d762f87b-936e-4b11-95e2-a5828ad05ba9.png?resizew=373)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414844edd458857bdfc80bffa61cbf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)当二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec2524be492bca0d1566bf848066f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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