名校
解题方法
1 . 已知椭圆C:
的离心率为
,两焦点与短轴两顶点围成的四边形的面积为
.
(1)求椭圆C的标准方程;
(2)我们称圆心在椭圆C上运动,半径为
的圆是椭圆C的“卫星圆”,过原点O作椭圆C的“卫星圆”的两条切线,分别交椭圆C于A,B两点,若直线OA,OB的斜率存在,记为
,
.
①求证:
为定值;
②试问
是否为定值?若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求椭圆C的标准方程;
(2)我们称圆心在椭圆C上运动,半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576833b76e9cad3b523f87132308df99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
②试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a0d9a2f14f7e789892487d6585804a.png)
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2023-08-05更新
|
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4卷引用:四川省成都市第四十九中学校2021-2022学年高三上学期12月月考理科数学试题
名校
2 . 已知曲线
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1ba993752357c6be9cbbc9e62c8c59.png)
A.若![]() |
B.若![]() |
C.若![]() |
D.曲线C可以是抛物线 |
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8卷引用:四川省成都市列五中学2023-2024学年高二上学期12月月考数学试题
四川省成都市列五中学2023-2024学年高二上学期12月月考数学试题山西省晋城市第一中学校(南岭爱物校区)2023-2024学年高二上学期11月月考数学试题江西省赣州市2022-2023学年高二上学期期末考试数学试题(已下线)2.3.1抛物线及其标准方程(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第一册)浙江省嘉兴市南湖区秀水高级中学2023-2024学年高二上学期期中数学试题安徽省淮北市树人高级中学2023-2024学年高二上学期期中数学试题河北省保定市高碑店市崇德实验中学2024届高三上学期期末数学试题(已下线)专题3.3 抛物线(6个考点十大题型)(1)
名校
3 . 已知命题
方程:
表示焦点在
轴上的椭圆,命题
双曲线
的离心率
,若“
”为假命题,“
”为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936550798480ce3ff5f81c98036efe7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dd7e9aeab5f879300c09dda6318cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c96b98f261fb8b03d05da07d91e59ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2卷引用:四川省成都外国语学校2022-2023学年高二上学期12月月考数学(文)试题
名校
解题方法
4 . 已知
为圆
上一动点,过点
作
轴的垂线段
为垂足,若点
满足
.
(1)求点
的轨迹方程;
(2)设点
的轨迹为曲线
,过点
作曲线
的两条互相垂直的弦,两条弦的中点分别为
,过点
作直线
的垂线,垂足为点
,是否存在定点
,使得
为定值?若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5240a75b910e7d57c991cd574ee896e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d0040699fc8740f8f579aa65c9182c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07c759d772898c0b7000fdd7c83afbe.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8350efd6636002f417d721fc87a126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ae536809b1161fd4e83fdc7f42be96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803a617fb53e67edbc2955cb629c329b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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5卷引用:四川省成都市第七中学2022-2023学年高二下学期3月月考数学(文)试题
名校
5 . 已知圆
,点
,动圆
经过点A且与圆O相切,记动圆圆心M的轨迹为E,有下列几个命题:
①
,则轨迹E表示圆,②
,则轨迹E表示椭圆,③
,则轨迹E表示抛物线,④
,则轨迹E表示双曲线,其中,真命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cd9f57adaa44992cb4d846e26c9947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909736dad505d81be43aef91e6309bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a41a0a2aac6586d91079bcbcd42041e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51969fc1a8030cef11cab59267689e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f702bfe1a376398286f1dc3daf8c67.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:四川省成都市第七中学2022-2023学年高二上学期12月月考数学(理科)试题
名校
解题方法
6 . 命题“对
,方程
表示焦点在x轴上的椭圆”为真命题,则满足条件的
的一个值可以是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ef395530f8dbf772e621d5f9956c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89807909a23f5eaa81868c2f67ec79ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4卷引用:四川省成都市第七中学2022-2023学年高二上学期12月月考数学(理科)试题
四川省成都市第七中学2022-2023学年高二上学期12月月考数学(理科)试题四川省成都市第七中学2022-2023学年高二上学期12月月考数学(文科)试题内蒙古自治区包头市第九中学2022-2023学年高二上学期期末数学(文科)试题(已下线)模块四 专题7 高考新题型(劣构题专训)基础夯实练(人教A)
名校
解题方法
7 . 已知椭圆
的短轴长为2,椭圆上的点到其焦点距离的最大值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/f1f49394-61b0-44d0-bec7-ca0a5afa9b94.png?resizew=172)
(1)求椭圆
的方程;
(2)过椭圆
上的点
的直线
与
,
轴的交点分别为
,
,且
,过原点
的直线
与
平行,且与
交于
,
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0dadb875cccce870b69409a476606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab46ea0cba2d06283fae3d864a2329e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/f1f49394-61b0-44d0-bec7-ca0a5afa9b94.png?resizew=172)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c2f6aec3451b09287048c5cf03290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/a0743f77df5927693e23499c2ff02512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
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8 . 已知
,命题
:对任意
,不等式
恒成立.命题
表示焦点在
轴上的椭圆.
(1)若命题
为真,求
的取值范围;
(2)若命题
为假,
为真,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4972bc5a3ed01387c6bd4d795377af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2978d6e10e192ecdb1c226fe019cb77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
9 . 点
是圆
上一动点,过
作
轴的垂线,垂足为
,点
满足
.已知点
和
,则
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/21d7d2366815548f1b5340e01c8311b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7422cbdb4ad06d155abb2ccdb25ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f943121691740928470268b34781e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59891de02ffca2bb3c0cd06fbf9e0b38.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知命题
: “方程
表示双曲线”,命题
: 方程
表 示椭圆”
(1)若
为真命题,求
的取值范围;
(2)若
为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe42bdc87b13ccdce126cea0806335ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f906c11d97f598a54039ddc4846a29.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d426f0f57b67c00ab87e81c9d1d5ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-11-15更新
|
409次组卷
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5卷引用:四川省成都市石室中学2022-2023学年高二上学期第二次质量检测数学理科试题