解题方法
1 . 已知
为双曲线
的左、右焦点,过
的直线交双曲线C的右支于P,Q两点,则下列叙述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4ed9ac18568e40532943d73e2828af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
A.直线![]() ![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() |
D.点P到两条渐近线的距离之积![]() |
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2 . 直线l:
被圆C:
截得的弦长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05063aa8290b34b56ac3b6193cba95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceefb41e62dc253988b7241c9522fbf1.png)
您最近一年使用:0次
3 . 点P是曲线
上一个动点,则点P到直线
的距离的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6201963fcdd54887f2af50518bd908a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc11a3a7592c68b20f93bdde2ed3f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 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
|
328次组卷
|
3卷引用:河南省鹤壁市高中2024届高三下学期高考适应性考试(二)数学试题
5 . 直线
被圆
截得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765702a050bbc9daedbb766db8c31558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8b1b4bb467c14416d733e22f8fe2ce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知椭圆
的左、右顶点分别是
,椭圆
的焦距是2,
(异于
)是椭圆
上的动点,直线
与
的斜率之积为
.
(1)求椭圆
的标准方程;
(2)
分别是椭圆
的左、右焦点,
是
内切圆的圆心,试问平面上是否存在定点
,使得
为定值?若存在,求出该定值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc48974114e23f5a801843710c7ae21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78fd95f89dec2d373fa57f02acd739f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350a38070bdc27207946be17d5f70223.png)
您最近一年使用:0次
7 . 已知F是抛物线C:
的焦点,过F的直线l与C交于A,B两点,且A,B到直线
的距离之和等于
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3582caa8f1ea0b0be9006f819e050cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac964958e0a0a8a2c98315a490e3091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.6 | B.8 | C.12 | D.14 |
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2024-04-22更新
|
209次组卷
|
3卷引用:河南省南阳市社旗县第一高级中学2024届高三下学期三模理科数学试题
解题方法
8 . 已知点
关于直线
的对称点Q落在圆
上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/770a2ff3d5db3153534f0641c51ef02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde63dfa184f0354c10e59578a4d7eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.1 | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
解题方法
9 . 记函数的图象为
,作
关于直线
的对称曲线得到
,则曲线
上任意一点与曲线
上任意一点之间距离的最小值为
您最近一年使用:0次
2024-03-30更新
|
917次组卷
|
3卷引用:河南省TOP二十名校2024届高三下学期质检一数学试题
10 . 已知直线
与双曲线
交于
两点,
为双曲线
上在第一象限内一点,且
(
为坐标原点),则
到
的距离最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bef93a53a2004910a8cac32f93c4b0.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbe6f12d3e4a7d651fa8d045b963962.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2024-03-29更新
|
133次组卷
|
2卷引用:河南省新高中创新联盟TOP二十名校2023-2024学年高二下学期2月调研考试数学试题