1 . 已知椭圆
:
的左右焦点分别为
,
,且点
是直线
上任意一点,过点
作
的两条切线
,
,切点分别为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.![]() | B.A,![]() ![]() |
C.A,![]() | D.![]() |
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解题方法
2 . 已知曲线
的方程是
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5814677e2c4e90e75563a279ae83d2f5.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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3 . 已知
,
是平面内两个定点,且
,则满足下列条件的动点
的轨迹为圆的是( )
![](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/55eaf0b36117ecd638c87afb8858b9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 .
为坐标原点,以
为准线,
为焦点的抛物线
的方程为:
.过
的直线交
于
两点,
于
于
为线段
的中点.下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e627296086a74b6bec2c13f48ce3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcd0a07c239333bc9245de3b833043b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e71abd446a59195761c7b1684d73dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5889e1f093f2c35273d3132ef8434e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
A.![]() ![]() |
B.![]() |
C.直线![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
名校
5 . 在平面直角坐标系中,某菱形的一组对边所在的直线方程为:
,另一组对边
.则下列命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918a3d19a84cf5689dc1b0d01b19f618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095101a2f656d85ba4a96d06f4f16ca6.png)
A.![]() |
B.与![]() ![]() |
C.该菱形一定有内切圆和外接圆 |
D.若直线![]() ![]() ![]() |
您最近一年使用:0次
2024-02-18更新
|
73次组卷
|
2卷引用:山东省菏泽市2023-2024学年高二上学期期末教学质量检测数学试题
6 . 已知抛物线
的焦点为
,点
在抛物线上,且
,过点
作
轴于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e537d8264dd22ab2e2ce7dcfc6a94c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab3bbeeae1973ece0a8224d7f22bc6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2784a52c4da98dc9df661fc152fc29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.抛物线的准线为直线![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
23-24高二上·山东德州·期末
7 . 已知抛物线
,F为抛物线C的焦点,准线与y轴交于M点,过点F作不垂直于y轴的直线l与C交于A,B两点.设P为y轴上一动点,Q为AB的中点,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb780dea4bb7d09bf3cb08b7258ebbb1.png)
A.当直线AB的倾斜角为![]() ![]() |
B.当![]() ![]() ![]() |
C.MF平分![]() |
D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知正方体
的棱长为
为
的中点,
为
所在平面上一动点,
为
所在平面上一动点,且
平面
,则下列命题正确为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59641403064c08e0011414ccdfb85377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ab6fd9972d6298ae91e81cb75189a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.若![]() ![]() ![]() ![]() |
B.若三棱柱![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-02-05更新
|
235次组卷
|
3卷引用:山东省枣庄市第八中学2023-2024学年高二上学期学科素养诊断数学试题
山东省枣庄市第八中学2023-2024学年高二上学期学科素养诊断数学试题山东省临沂市第十九中学2023-2024学年高二下学期第一次质量调研考试数学试题(已下线)第三章 空间轨迹问题 专题四 立体几何轨迹面积、体积问题 微点2 立体几何轨迹面积、体积问题综合训练【培优版】
解题方法
9 . 如图所示,在棱长为2的正方体
中,点E是棱
的中点,则下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/701602c7-e766-4285-a71a-ab28e4bd2d7a.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/701602c7-e766-4285-a71a-ab28e4bd2d7a.png?resizew=163)
A.点![]() ![]() ![]() |
B.异面直线![]() ![]() ![]() |
C.三棱锥![]() |
D.若点M在底面ABCD内运动,且点M到直线![]() ![]() |
您最近一年使用:0次
2024-02-04更新
|
484次组卷
|
3卷引用:山东省济宁市2023-2024学年高二上学期期末质量检测数学试题
山东省济宁市2023-2024学年高二上学期期末质量检测数学试题浙江省2023-2024学年高二下学期3月四校联考数学试题(已下线)第三章 空间轨迹问题 专题一 立体几何轨迹常见结论及常见解法 微点3 立体几何轨迹常见结论及常见解法综合训练【培优版】
解题方法
10 . 如图,椭圆
的中心为坐标原点,
为左焦点,
分别为长轴和短轴的顶点,
.则下列选项正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/29/4c5a014c-a3da-43d6-9339-9996843de6f1.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe875df72bb28ab48a2e745c9704671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a64f0bc01c1dbf0b4b87763141d8059.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/29/4c5a014c-a3da-43d6-9339-9996843de6f1.png?resizew=174)
A.椭圆![]() ![]() |
B.![]() |
C.![]() |
D.过焦点![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次