1 . 已知椭圆
的左、右焦点分别为
,过点
作不与坐标轴垂直的直线
交
于
两点,点
的坐标为
.
(1)证明:
;
(2)设点
关于
轴的对称点为
,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57610afd116ab84660c807cc1aa3819.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6d16e3494797e66b6678fd4dae573e.png)
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2 . 如图,已知抛物线
的方程为
,焦点为
,过抛物线内一点
作抛物线准线的垂线,垂足为
,与抛物线交于点
,已知
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/d8209689-56bb-4e8c-8afe-e7e5fa461501.png?resizew=169)
(1)求
的值;
(2)斜率为
的直线过点
,且与曲线
交于不同的两点
,
,若存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7479255f54d51b97e6314db1dc06eb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90675b0443eaa6607d217e6a32a690b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b885ab7c607be0dbd27c1e57941e81f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/d8209689-56bb-4e8c-8afe-e7e5fa461501.png?resizew=169)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893d4e8d70ea2c716ac7b6c1777a77f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31255698f5cfdf2acce3e4b3a5edd447.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/f3a1964c21f017dc0162c6cff33d8c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0df31126849d010525cbeee019bae5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
3 . 已知椭圆
,斜率不为0的直线过椭圆的左焦点F且与椭圆交于A,B两点,点P在y轴上,若
是以点P为直角顶点的等腰直角三角形,则直线
的斜率是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e4a41cbe3d1f25154602dee11d36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解题方法
4 . 已知抛物线
,
为抛物线C的焦点,点P为直线
上任意一点,以P为圆心,
为半径的圆与抛物线C的准线交于A,B两点,过A,B分别作准线的垂线交抛物线C于点
,D.且当点P的坐标是
时,线段
的中点是(1,
).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/0e662247-2ab6-4f75-b27e-f8a9c4729635.png?resizew=166)
(1)求抛物线C的方程;
(2)证明:直线
过定点,并求出定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b018f9658dfb68a30bd928e5d730045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e235d7dd12f948f5ffb2e5afddc95612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2234eabaa7f119a3624e6370fb82c1eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194be5d97d808a2c593caa1255bffc00.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/0e662247-2ab6-4f75-b27e-f8a9c4729635.png?resizew=166)
(1)求抛物线C的方程;
(2)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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名校
解题方法
5 . 过双曲线
上任意一点
分别作两条渐近线的平行线,这两条直线与渐近线构成平行四边形
,则该平行四边形的面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1892b7c3cd7bea116f532f66fba44662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c06373f0ad9789976365ff5337cdbe.png)
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解题方法
6 . 已知抛物线C的顶点为坐标原点,焦点在坐标轴上,且经过点
.
(1)求抛物线C的标准方程;
(2)若抛物线C开口向右,准线l上两点P,Q关于x轴对称,直线PA交抛物线C于另一点M,直线QA交抛物线C于另一点N,证明:直线MN过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6ce39c72b38fa1a2b3275188b27689.png)
(1)求抛物线C的标准方程;
(2)若抛物线C开口向右,准线l上两点P,Q关于x轴对称,直线PA交抛物线C于另一点M,直线QA交抛物线C于另一点N,证明:直线MN过定点.
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7 . 已知椭圆
:
的离心率为
,且过点
,点
与点
关于原点对称,过点
作直线l与E交于
,
两点(异于
点),设直线
与
的斜率分别为
,
.
(1)若直线l的斜率为
,求
的面积;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16bd471deb1d369d93951a7b1af07b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.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/b8902bff3e60ecebdcd71bb2ee8bb97b.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
(1)若直线l的斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86696ba6c5cd670ab8b9dcbd4fb63bb.png)
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2024-02-12更新
|
492次组卷
|
3卷引用:江苏省淮安市、连云港市2023-2024学年高三上学期第一次调研考试数学试题
8 . 已知
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beff0aabd2bb1fe031b658c55258ece8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3393c08c5632c4efc7c2a4158af2bc87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cbc710033b3ee4ee4d221704d21824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 关于函数
,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc1c3f89a20d63ef6e6944457c87d26.png)
A.函数![]() ![]() |
B.函数![]() ![]() ![]() |
C.若方程![]() ![]() |
D.若![]() ![]() ![]() |
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2024-02-12更新
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343次组卷
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3卷引用:江苏省常州市2023-2024学年高三上学期期末学业水平监测数学试卷
10 . 已知圆
的直径
长为8,与
相离的直线
垂直于直线
,垂足为
,且
,圆
上的两点
,
到
的距离分别为
,
,且
.若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac4b92a7ee8e197d5872641af813dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b5773dbeaa189dd8aa4ed15a757f7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24460a8856f5b89514a1486e81784ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94ec746cbf9d42c5033a056124a0a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d2a11dd1a1729427d612fa78807696a.png)
A.2 | B.4 | C.6 | D.8 |
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4卷引用:江苏省常州市2023-2024学年高三上学期期末学业水平监测数学试卷
江苏省常州市2023-2024学年高三上学期期末学业水平监测数学试卷(已下线)专题07 直线与圆(解密讲义)(已下线)专题5 曲线轨迹与交点问题四川省绵阳市东辰学校2024届高三下学期第二学月考试数学(理科)试题