名校
解题方法
1 . 已知圆
,圆
,动圆
与圆
外切于点
,与圆
内切于点
,圆心
的轨迹记为曲线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f09301f91879129399c1ba45635f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3e7ea39906456429384362b6d037ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.曲线![]() ![]() ![]() |
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名校
解题方法
2 . 已知抛物线
的焦点为N,圆
的圆心为M,E为圆M上一动点,线段
的垂直平分线与直线
交于点S.
(1)求动点S的轨迹方程C;
(2)设动直线l(不过点M且不与坐标轴平行)与轨迹C交于P,Q两点,O为坐标原点,点P关于原点O的对称点为
,若
,试求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036a9e850586378e5cb7cca0ffafb20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
(1)求动点S的轨迹方程C;
(2)设动直线l(不过点M且不与坐标轴平行)与轨迹C交于P,Q两点,O为坐标原点,点P关于原点O的对称点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a84a00330911f21d2583281b783048d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4556162b7b26af190648fdf8290f16ec.png)
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2023-06-08更新
|
301次组卷
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2卷引用:湖北省部分名校2022-2023学年高二下学期5月联考数学试题
3 . 已知两点的距离为定值
,平面内一动点
,记
的内角
的对边分别为
,面积为
,下面说法正确的是( )
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
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2022-11-26更新
|
997次组卷
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5卷引用:湖北省武汉市华中师范大学第一附属中学2022-2023学年高二上学期期中数学试题
湖北省武汉市华中师范大学第一附属中学2022-2023学年高二上学期期中数学试题辽宁省沈阳市第二中学2022-2023学年高三上学期12月月考数学试题福建省安溪一中、养正中学、惠安一中、泉州实验中学2022-2023学年高二下学期期末联考数学试题(已下线)专题15 解三角形与解析几何的关联(已下线)专题3.2 双曲线(5个考点十大题型)(1)
4 . 已知点
,
,
,
,直线
:
.
(1)求圆心在直线
上,且过
、
两点的圆的标准方程
;
(2)若动点
满足
,求点
的轨迹方程
;
(3)若圆心为
的动圆与
、
均相切,求点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321f767f8cc56d29e35e5a4fcf379bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5886f13f0efbe6da4a8fe5a086f6125b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2f117dc9adcb8fa7acf25bd2cbf283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d776a89f4fd29dccffe1040069d59ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
(1)求圆心在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/522230546d4b802094e86ceb48c2ba38.png)
(2)若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8db5d70738d4f6617c14be418b8701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
(3)若圆心为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2020-11-30更新
|
610次组卷
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2卷引用:湖北省武汉市华科附联考体2020-2021学年高二上学期期中数学试题
5 . 已知动圆Р与圆C1:
外切,且与圆C2:
内切,动圆圆心Р的轨迹方程为C,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8331848111e9ee73b64b08d6630b686a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ef118172b741b9b74cd670382d7cfc.png)
A.轨迹方程C为![]() | B.轨迹方程C的焦距为3 |
C.轨迹方程C的长轴为10 | D.轨迹方程C的离心率为![]() |
您最近一年使用:0次
2020-11-30更新
|
1327次组卷
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5卷引用:湖北省武汉市十五中学联考体2020-2021学年高二上学期期中联考数学试题
湖北省武汉市十五中学联考体2020-2021学年高二上学期期中联考数学试题广东省广州中学2021-2022学年高二上学期期中数学试题新疆维吾尔自治区和田地区皮山县2022-2023学年高二上学期11月期中考试数学试题苏教版(2019) 选修第一册 选填专练 第3章 限时小练16 椭圆的几何性质(2)(已下线)第11讲 椭圆(6大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)
6 . 已知点
,点B是圆
上的动点,线段AB的垂直平分线交线段BC于点P,则动点P的轨迹方程是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a2b8b43e1fe82fc439d145e91b860c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4f124f85431d072097afe933526c10.png)
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解题方法
7 . 如图,下列三图中的多边形均为正多边形,图①②中
、
是所在边上的中点,图③中
、
为顶点,椭圆均以图中
,
为焦点,且点
、
都在椭圆上.图①②③中椭圆的离心率分别为
,
,
,则( )
![](https://img.xkw.com/dksih/QBM/2020/4/28/2451140122910720/2454884540768256/STEM/79187577a68a4eedbba20d6962da816b.png?resizew=355)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178dddb45025f876802dbdf85b78771e.png)
![](https://img.xkw.com/dksih/QBM/2020/4/28/2451140122910720/2454884540768256/STEM/79187577a68a4eedbba20d6962da816b.png?resizew=355)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 如图,已知定点
,点P是圆
上任意一点,线段
的垂直平分线与半径
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/e34a95b3-eaef-47ac-aaa4-c9fdeeca0218.png?resizew=157)
(1)当点
在圆上运动时,求点
的轨迹方程;
(2)过定点
且斜率为
的直线
与
的轨迹交于
、
两点,若
,求点
到直线
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a51e0f77f63bae2df3dc8b1d4f455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a9175c473bf37ebb32f97be6663b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/e34a95b3-eaef-47ac-aaa4-c9fdeeca0218.png?resizew=157)
(1)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9380191d5128132ab5995d3f048d3539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/65b7590f3029fa62b31c8f64264d0055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
9 . 已知
分别为椭圆
的左、右焦点,
为椭圆
上一点,若
周长是6,则椭圆
的方程是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f49644cd9fa4688cc3a74a234952530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-03-25更新
|
438次组卷
|
3卷引用:湖北省黄石市有色第一中学2021-2022学年高二上学期期中数学试题
名校
10 . 已知点
在椭圆
上,椭圆的右焦点
,直线
过椭圆的右顶点
,与椭圆交于另一点
,与
轴交于点
.
(1)求椭圆
的方程;
(2)若
为弦
的中点,是否存在定点
,使得
恒成立?若存在,求出
点的坐标,若不存在,请说明理由;
(3)若
,交椭圆
于点
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857647969d40b1d9ba410554202e7989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b976243dd944629217f35588e5a7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0297c11050f2e39f82bb2cdf810d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcea51bcfe5451587b1aa95591f9761.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/6a2b45409140d8dd277db53731a1aab0.png)
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2019-12-12更新
|
561次组卷
|
3卷引用:湖北省鄂东南省级示范高中教育教学改革联盟学校2019-2020学年高二上学期期中联考数学试题