1 . 已知曲线
(
为非零常数),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5adf543a16a8ad1a060e6a22a3eabfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.原点是![]() |
B.直线![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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2 . 已知点A是椭圆C:
上一点,B是圆
:
上一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2104c970f3c1101738cac9ca0030845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f018979ebfefe52d26b4f6911094b94.png)
A.椭圆C的离心率为![]() | B.圆P的圆心坐标为![]() |
C.圆P上所有的点都在椭圆C的内部 | D.![]() ![]() |
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4卷引用:河北省保定市高碑店市崇德实验中学2023-2024学年高二上学期期末数学试题
名校
3 . 已知双曲线的焦点为
,且渐近线方程为
.
(1)求双曲线的标准方程;
(2)在双曲线上找一点
,满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c446e857bc1539e1a2e234587a03c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82352024b31fa23f4ecba5bd8cbb41de.png)
(1)求双曲线的标准方程;
(2)在双曲线上找一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511cdc6a9b56bc1d9415d3d94ef0f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b490e09248ea3242ec67afae8d00c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
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2023-11-17更新
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3卷引用:河北省衡水市武强中学2023-2024学年高二上学期期末数学试题
4 . 已知
为坐标原点,
,
.若点
满足
.记点
的轨迹为曲线
,且
与曲线
在第一象限的交点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e72358a12f923519a407a46c07f5d33.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5544274135a5332a1403741c8c0bd2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788a45292b81b3632fda1f9df89308fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad245ab26aecb331b737acaad7dbf8c.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0059cb1f331ba2fdfa8b089d4557401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e72358a12f923519a407a46c07f5d33.png)
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5 . 方程
有且仅有两个不同实根,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6387cc387bd55b9691e3c222476d8d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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6 . 已知双曲线C:
定义:把双曲线
的虚轴保持不变,渐近线的斜率变为原来渐近线斜率的两倍得到的曲线称为曲线
的“
线”,把双曲线
的左支向右平移
个单位,把它的右支向左平移
个单位得到的曲线称为曲线
的“
-线”,若双曲线
是等轴双曲线,且焦距等于
,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/4c91a0eb-1442-46fa-bc3a-7a4cce048598.png?resizew=190)
(1)求双曲线
的“
-线”和“
-线”;
(2)若由“
-线”和“
-线”围成的封闭曲线上的点集都在圆
内或圆
上,求半径最小时圆
的方程,并在坐标系中用尺规作图画出该封闭曲线和圆
大致图像.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4446f654cf8401b640cc79c2b97af5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec978eb43bc4f9e7df83b0d0195dcda.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/4c91a0eb-1442-46fa-bc3a-7a4cce048598.png?resizew=190)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(2)若由“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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7 . 已知曲线
:
与曲线
:
,且曲线C1和C2恰有两个不同的交点,则实数m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfda0696f276fff4177533f8c63e349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94be96bbc5793e37fcdb240051146d6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-01-13更新
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293次组卷
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4卷引用:上海市进才中学2022-2023学年高二上学期期末数学试题
上海市进才中学2022-2023学年高二上学期期末数学试题(已下线)期末真题必刷基础60题(35个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)(已下线)核心考点04抛物线、曲线与方程(1)四川省内江市第六中学2022-2023学年高二下学期第一次月考数学(理科)试题
2022·上海浦东新·模拟预测
名校
8 . 已知平面直角坐标系中的直线
、
.设到
、
距离之和为
的点的轨迹是曲线
,到
、
距离平方和为
的点的轨迹是曲线
,其中
.则
、
公共点的个数不可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4073d527d4b14759a7cbaeabfb35a756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9fc68d6d88485e65bfc599dfdde547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8ef3f4a8e843a79c3b03adeb61adab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85963eb36e1406ca2dfd1d039fbeaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86363d72a870d73f2ecd70a87043fd58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.0个 | B.4个 | C.8个 | D.12个 |
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2022-07-05更新
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9卷引用:上海市金山中学2022-2023学年高二上学期期末数学试题
上海市金山中学2022-2023学年高二上学期期末数学试题(已下线)3.1.1 椭圆的标准方程-2022-2023学年高二数学《基础·重点·难点 》全面题型高分突破(苏教版2019选择性必修第一册)(已下线)核心考点04抛物线、曲线与方程(3)(已下线)上海市华东师范大学第二附属中学2022届高三考前模拟数学试题(已下线)专题26 求动点轨迹方程 微点7 求动点轨迹方程综合训练(已下线)第12讲 直线和圆的方程-3(已下线)考向32 椭圆(重点)(已下线)专题19 圆锥曲线 (练习)-2(已下线)专题19 圆锥曲线 (模拟练)-2
名校
解题方法
9 . 平面直角坐标系中,曲线
与坐标轴的交点都在圆
上.
(1)求圆
的方程;
(2)圆
与直线
交于
,
两点,在圆
上是否存在一点
,使得四边形
为菱形?若存在,求出此时直线的方程;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d794141572c8b1e70957754f32b9eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0386a78bc5c758701b94ecd6986bd36.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630a0f356ab6a1bedca73acd3a1cfef5.png)
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2022-02-21更新
|
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2卷引用:福建省莆田第一中学2021-2022学年高二上学期期末考试数学试题
名校
解题方法
10 . 曲线
为四叶玫瑰线,这种曲线在苜蓿叶型立交桥的布局中有非常广泛的应用,苜蓿叶型立交桥有两层,将所有原来需要穿越相交道路的转向都由环形匝道来实现,即让左转车辆行驶环道后自右侧切向汇入高速公路,四条环形匝道就形成了苜蓿叶的形状.下列结论正确的个数是( )
①曲线C关于点(0,0)对称;②曲线C关于直线y=x对称;③曲线C的面积超过4π.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/9b334971-8c7d-486f-ae68-f0dcb6ee9442.png?resizew=386)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630fb044ee48582dd448861dcb7c07bb.png)
①曲线C关于点(0,0)对称;②曲线C关于直线y=x对称;③曲线C的面积超过4π.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/9b334971-8c7d-486f-ae68-f0dcb6ee9442.png?resizew=386)
A.0 | B.1 | C.2 | D.3 |
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