名校
解题方法
1 . 直线
(
为参数,
)和曲线
(
为参数,
)交于
、
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c84a09595eabd6ae21a2e8faa7465c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ed76c934ab4f1a0c9bc6ef4a786ae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f96ee1a9f66cf0b177207d32fb51f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae470980d6e3b53c65b9d42d1f011c5.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/64c84a09595eabd6ae21a2e8faa7465c.png)
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名校
2 . 已知抛物线
的方程为
,求过点
且与抛物线
只有一个公共点的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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3 . 在极坐标系中,圆
的圆心到直线
的距离为 ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741c7e44156ecd127e95db78f7396f2c.png)
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解题方法
4 . 此时此刻你正在做这道选择题,假设你会做的概率是
,当你会做的时候,又能选对正确答案的概率为100%,而当你不会做这道题时,你选对正确答案的概率是0.25,那么这一刻,你答对题目的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.0.625 | B.0.75 | C.0.5 | D.0 |
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2024-06-01更新
|
886次组卷
|
2卷引用:上海市高桥中学2023-2024学年高二下学期期中考试数学试卷
解题方法
5 . 从1、2、3、4、5五个数中任取一个数,则这个数是奇数的概率______ .
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解题方法
6 . 设
,
分别是椭圆
的右顶点和上焦点,点
在
上,且
,则
的离心率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f04443a0c1cf4808aea741c9f9379b2.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/900b80b5dbf6cf3d21205f388d92ef75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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7 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d73bb75b197203cd0bd5a6e12aaf4a3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46ccef5ddef05f2aa8ab837d05b3dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d73bb75b197203cd0bd5a6e12aaf4a3.png)
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解题方法
8 . 已知
为坐标原点,双曲线
的焦距为4,且经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836a42465754f892808fde926312de92.png)
(1)求
的方程;
(2)若直线
与
交于
,
两点,且
.
(i)设直线
的方程为
,求证:
;
(ii)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836a42465754f892808fde926312de92.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc11e7549cfce9220e70250ac943e457.png)
(i)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/1c71b18cd7346b0c24840c441eab245c.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2401bc9c26cc3b0b8384c7139bd58fff.png)
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9 . 已知实数
,
满足
,则
的最大值是________ .
![](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/392c3594f2692b415bc7f71c25a15171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
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10 . 已知直线
与圆
,点
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc7dfc6468b254c1bd101d7f2e6f0b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342ca3b17fcbc0d8af75321cdef8a34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c65d3d6119b18fd2427497cbd413c3.png)
A.若点![]() ![]() ![]() ![]() |
B.若点![]() ![]() ![]() ![]() |
C.若点![]() ![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() |
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