解题方法
1 . 在平面直角坐标系
中,椭圆
过点
,
.
(1)求椭圆
的方程;
(2)点
是单位圆
上的任意一点,设
,
,
是椭圆
上异于顶点的三点且满足
.求证:直线
与
的斜率乘积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b134d6fa0764ba7bbc187b2e3f7e379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39dd8b1a03eca04d2e644257377060e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f596ebd7a2a1f71bc595fae284cf61.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61588617d22abd00af4ca489bb3a8787.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca3c738f498819c5050361872b5290d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d22c4afd75d76767cbcbc59a3a2436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90bc504518a9a52d790ba35817c2deb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a0397c811fe80c80ecd5b871201987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075bc6df108c9c2b3b5ac46bca7c8d3a.png)
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2 . 点
到双曲线
的一条渐近线的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.png)
您最近一年使用:0次
2022-01-16更新
|
107次组卷
|
2卷引用:云南省三校2022届高三高考备考实用性联考(二)数学(文)试题
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3 . 已知点
为椭圆
上任意一点,
是圆
的一条直径,则
的最大值与最小值的和为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc3985c11ee609d32d6001b6ef237ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd90d4eae6fb1a5f2db2457597cbf34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6356488b921e900ad8f0448d20e918e6.png)
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解题方法
4 . 设O为坐标原点,抛物线
的焦点为F,P为抛物线上一点,若
,则
的面积为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360d86f0ec1c4d9d0dfc06a9064db0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de97ac9a926e8dc041a196287de4006.png)
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2021-12-30更新
|
1145次组卷
|
7卷引用:云南省昆明市第一中学2022届高三上学期第二次双基检测数学(文)试题
云南省昆明市第一中学2022届高三上学期第二次双基检测数学(文)试题北京师大实验2020-2021学年高二上学期期末试题(已下线)9.5 抛物线(精练)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)山东省淄博市淄博实验中学2021-2022学年高三上学期期末数学试题宁夏石嘴山市第一中学2021-2022学年高二上学期期末考试数学(文)试题海南省琼海市嘉积中学2022届高三下学期第一次月考数学试题(已下线)第15讲 抛物线的几何性质-【暑假自学课】2023年新高二数学暑假精品课(苏教版2019选择性必修第一册)
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5 . 集合
表示的图象是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4348c8962acf187ef66899436a5aec.png)
A.椭圆 | B.双曲线 | C.双曲线的一支 | D.线段 |
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解题方法
6 . 已知双曲线
:
(
,
)的右顶点为
,以
为圆心,
为半径作圆
,圆
与双曲线
的一条渐近线交于
,
两点.若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7231ec83386010f305e121ce60e23d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.2 | D.![]() |
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7 . 过点
的直线与双曲线
只有一个公共点,则满足条件的直线有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4334e343daae170f14d086661bc5792a.png)
A.1条 | B.2条 | C.3条 | D.4条 |
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解题方法
8 . 已知椭圆
与双曲线
有公共焦点,且右顶点为
.
(1)求椭圆
的标准方程;
(2)设直线
:
与椭圆
交于不同的
,
两点(
,
不是左右顶点),若以
为直径的圆经过点
.求证:直线过定点,并求出定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d34cf4ed961f4052ed35c7475c7d32e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e258dc5c8b4ea30bca80a56098065402.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.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/7f9e8449aad35c5d840a3395ea86df6d.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
2021-12-24更新
|
1031次组卷
|
2卷引用:云南省昭通市市直中学2021-2022学年高二上学期第二次联考数学(文)试题
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解题方法
9 . (多选)已知抛物线
的焦点为
,准线为
,过点
的直线与抛物线交于两点
,
,点
在
上的射影为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
A.若![]() ![]() |
B.以![]() ![]() |
C.设![]() ![]() |
D.若直线![]() ![]() |
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2021-12-24更新
|
581次组卷
|
3卷引用:云南省昭通市市直中学2021-2022学年高二上学期第二次联考数学(文)试题
云南省昭通市市直中学2021-2022学年高二上学期第二次联考数学(文)试题云南省曲靖一中麒麟学校2021-2022学年高二上学期期末摸底考试数学试题(已下线)高二上学期期末模拟测试卷(基础版)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)
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10 . 焦点为
的抛物线的标准方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7422cbdb4ad06d155abb2ccdb25ded.png)
您最近一年使用:0次