2014·广东广州·一模
解题方法
1 . 在平面直角坐标系
中,直线
(
为参数)与圆
(
为参数)相切,切点在第一象限,则实数
的值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc88643c08db22bdb85ebb9238b9840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99c9a0e9483fdcf18f84bd93d73c40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ab55147ca5c0f958af43b0637ee31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10-11高二下·陕西汉中·期末
名校
解题方法
2 . 直线
(t为参数)的斜率为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf531646ce90bb4cd12124ea7a9e3b7.png)
您最近一年使用:0次
2016-12-04更新
|
440次组卷
|
12卷引用:上海市上海师范大学附属中学2019-2020学年高二下学期期中数学试题
上海市上海师范大学附属中学2019-2020学年高二下学期期中数学试题上海交通大学附属中学2020-2021学年高二下学期开学考数学试题上海市位育中学2020-2021学年高二下学期期中数学试题(已下线)第1章平面直角坐标系中的直线(基础、常考易错、压轴)分类专项训练(1)(已下线)2010-2011年陕西省汉中市汉台区高二下学期期末文科数学(已下线)2010-2011年陕西省汉中市汉台区高二下学期期末理科数学(已下线)2011-2012学年湖南省醴陵二中高二上期中文科数学试卷(已下线)2011—2012学年陕西省宝鸡中学高二下学期期末文科数学试卷(已下线)2013-2014学年山西省广灵第一中学高二下学期期末考试文科数学试卷(已下线)2013-2014学年山西省广灵一中高二下学期期末考试文科数学试卷2015-2016学年江苏省淮安市田家炳中学高二下期中理科数学试卷山西省古县第一中学2019-2020学年高二下学期期中数学(理)试题
3 . 设曲线C的参数方程为
为参数,直线
的方程为
,则曲线C上到直线
的距离为
的点的个数为( )
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572679131873280/1572679137779712/STEM/e7653758d7ac4286a53eedb9ce75c8a4.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572679131873280/1572679137779712/STEM/95a70aa296854c2ca7be8c3815d39fd6.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572679131873280/1572679137779712/STEM/c2fdaad2bc7d472591fbcc182e9a38f0.png?resizew=93)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572679131873280/1572679137779712/STEM/95a70aa296854c2ca7be8c3815d39fd6.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572679131873280/1572679137779712/STEM/e11755b702a241a4bd6e63758635f168.png?resizew=43)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
4 . 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)
您最近一年使用:0次
名校
5 . 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)
您最近一年使用:0次