1 . 过点
作圆
的切线
,则切线
的斜率为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4754fbe523ca63eba3810a3f88f37df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆
的左、右焦有分别为
,离心率为
为C上任意一点,且
的周长为6,则椭圆方程为_____________ ;若直线
经过定点N,则
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c70ff8791dd2297e1b7fb1c64c1de38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fc33bcfc63ec2f4940ccd3f862400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22963fe5adffc9757990e0616b6517c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9428a97571b54a842e3746b65e6ad3fb.png)
您最近一年使用:0次
名校
解题方法
3 . 直线
与双曲线
的左、右两支分别交于
,
两点,
为右顶点,
为坐标原点.若
,则该双曲线的渐近线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82f71d43854e9327b04864b4459e0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1f18cef1745d84a0265246684753bd.png)
您最近一年使用:0次
4 . 已知圆
,圆
,若动圆M与圆
均外切,则动圆圆心的轨迹方程为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff33bafbb3efa905d490929ea95b84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b740af367bf9d3a3d044439c50dc13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
您最近一年使用:0次
5 . 已知实数a,b满足
,则a与b的大小关系是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d173351af791f272401abf5b1d8aacd.png)
您最近一年使用:0次
解题方法
6 . 若两个正数
,
满足
,构造函数
,因为对一切实数
,恒有
,则
,即
,由此可得
.将上述分析推广到一般情形,有下面的结论:若
个正数
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d2df78943eeed09cb11881c67db60c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e572a65f80ea5b548b6f72b1110a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de37dcb64583c54afbbb65eef2c7a194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52440f9279c585ee32efcbaf6a30181f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54543a4606d73a1e1ebc891d65a57b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee0e066a31a9c9c18b8c7e0592eee0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2b043b989216035c6fd985f1dd6a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2b75d8e91dd10e4aaaa5d51bede823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d2df78943eeed09cb11881c67db60c.png)
您最近一年使用:0次
解题方法
7 . 已知直线
过点
,且与直线
垂直,则直线
在
轴上的截距为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b818e1793be8d9213e903e5224987a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
名校
8 . 已知直线
,圆
,圆
上恰有4个点到直线
的距离为1,则b的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b461ac7a165f5d9b968cf62f9c750c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-11-29更新
|
180次组卷
|
2卷引用:海南省文昌市文昌中学、华迈实验中学2023-2024学年高二上学期期中段考数学试题
名校
9 . 在直角坐标系xOy中,直线l:
,以O为圆心的圆与直线l相切.将圆O向右平移一个单位得圆C,则圆C的标准方程为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8b65df31f3a52cfa9d434231182aa1.png)
您最近一年使用:0次
名校
10 . 如图,在长方体
中,
,
分别为
,
的中点,
是线段
上一点,满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaaec77982500dde97b8a87b8992bc18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217f85bc37f04fe6baf2e6e4d94faba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
您最近一年使用:0次
2023-11-20更新
|
268次组卷
|
5卷引用:海南省2023-2024学年高二上学期11月期中阶段性教学检测(一)数学试题
海南省2023-2024学年高二上学期11月期中阶段性教学检测(一)数学试题(已下线)模块三 专题3 小题满分挑战练(2) 期末终极研习室(高二人教A版)(已下线)专题01 空间向量及其应用常考题型归纳(2)(已下线)专题01 空间向量与立体几何(1)山东省潍坊市第一中学2023-2024学年高一下学期清明后摸底考试(4月月考)数学试题