2014·吉林长春·二模
1 . 已知直线
的参数方程为
为参数),以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,圆
的极坐标方程为
.
(1)求圆
的直角坐标方程;
(2)若
是直线
与圆面
≤
的公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2014/4/23/1571642532470784/1571642538803200/STEM/40ef6baaf88549c9b0aff336b22426c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282f19548dd86406c630335a49bb00e1.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68fe867846a0e12ddb5fda19a5f0019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dfa098e9aef3f2fdf76a93fabf0d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfb3efcdf3989e29185db8d886fb612.png)
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2016-12-02更新
|
1023次组卷
|
5卷引用: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学年山西省广灵第一中学高二下学期期末考试文科数学试卷(已下线)2014届吉林省长春市高中毕业班第二次调研测试文科数学试卷2016届广西自治区桂林柳州高考压轴理科数学试卷2017届河南南阳一中高三理上学期月考四数学试卷2017届湖南长沙一中高三理月考五数学试卷
2 . 已知点
是圆
上的动点.
(1)求
的取值范围;
(2)若
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69f2a74161204c18c532263458656a7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fc838e1477179b36ca7481ee2cc1e8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e74bd50f7415788b4f4a5b1eef13931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知直线
的参数方程为
,在直角坐标系
中,以
为极点,
轴正半轴为极轴建立极坐标系,圆
的方程
.
(1)求圆
的直角坐标方程;
(2)判断直线
与圆
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f14b3baad14c094dbfacf2ae26b26d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/3dc804bf1ab796c80b6f39ee8ef45065.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
2016-05-23更新
|
527次组卷
|
4卷引用:2016届山西省临汾一中高三3月月考文科数学试卷
12-13高三·河南郑州·阶段练习
名校
4 . 已知曲线
(t为参数),
(
为参数).
(1)化
,
的方程为普通方程,并说明它们分别表示什么曲线;
(2)过曲线
的左顶点且倾斜角为
的直线
交曲线
于
两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00066775279b14ca6e2f567d85330ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b3d8f90e1017387811ff8b2e401921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ab55147ca5c0f958af43b0637ee31b.png)
(1)化
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa42b56b1c92689a080b58cb603a642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05da40a2d7dab5d6a003906ca19d4749.png)
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5 . 经过
作直线
交曲线
:
(
为参数)于
、
两点,若
成等比数列,求直线
的方程.
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/67667a01968c48a0a42ea094e5f36fd7.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/a58cdc5727134a3890afcb4cdbf4d800.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/7a8ba6b46af846e0a963d81ff17f5435.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/2aa3b6ad63834d27adce6a2d03fcfaae.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/12c84152c4494fdd93b9212af5945693.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/6b7ddd19026847feb0fd44f9d346c38d.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/4835448230114aa5a56e83ff0674343d.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/c5caaf813ce54e138bd5081fc1b817df.png)
![](https://img.xkw.com/dksih/QBM/2012/11/23/1571067654684672/1571067659952128/STEM/a58cdc5727134a3890afcb4cdbf4d800.png)
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2012·山西·三模
6 . 已知点
,参数
,点
在曲线
上
(1)求点
的轨迹方程和曲线
的直角坐标方程;
(2)求点
与点
之间距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31ffb798e3f6b9b594aac1e5382b112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d204082daeea4b4a5b8396ebf2b80e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59d54bee5e180b4fa08eb547fbf84eb.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2011·新疆·三模
7 . 以直角坐标系的原点O为极点,
轴的正半轴为极轴,且两个坐标系取相等的单位长度.已知直线l经过点P(1,1),倾斜角
.
(I)写出直线l的参数方程;
(II)设l与圆
相交于两点A、B,求点P到A、B两点的距离之积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0528971ae244bf5af1c90a80805db787.png)
(I)写出直线l的参数方程;
(II)设l与圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da02db31d3c74f50e0b44d9f105fe97.png)
您最近一年使用:0次
2011·辽宁·二模
8 . 已知椭圆的参数方程
为参数),求椭圆上一点
到直线
为参数)的最短距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31aa647f12a171a4a5eca06096324226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5efc3054772d29f0bbf25ad065f93d9.png)
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2011·山西太原·三模
9 . 已知曲线
与直线
为参数)相切,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82d975ef403f1542f15ecf48aca4f7d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2011·山西·一模
10 . 平面直角坐标系中,将曲线
(
为参数)上的每一点纵坐标不变,横坐标变为原来的一半,然后整个图象向右平移1个单位,最后横坐标不变,纵坐标变为原来的2倍得到曲线
.以坐标原点为极点,
的非负半轴为极轴,建立的极坐标中的曲线
的方程为
,求
和
公共弦的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566ad71c46d85279d952653471e85ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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