已知在平面直角坐标系
内,点
在曲线C:
为参数
)上运动.以
为极轴建立极坐标系,直线
的极坐标方程为![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/967e1066ce5341b08b364be5297a4d02.png)
(Ⅰ)写出曲线C的标准方程和直线
的直角坐标方程;
(Ⅱ)若直线
与曲线C相交于A、B两点,点M在曲线C上移动,试求
面积的最大值.
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/e50b5bf3f9424df29eb09b7955d1ce74.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/70b136fd48df4a20b1ad638d2cbfd75f.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/d24ed571ae4c494fa2be1ded746c3c87.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/21c61276e8654af287e1450a4fed846a.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/3a8d275fdcfe421f9b9f78730ae68763.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/17e2799d49614107bbf953f06089600c.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/967e1066ce5341b08b364be5297a4d02.png)
(Ⅰ)写出曲线C的标准方程和直线
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/17e2799d49614107bbf953f06089600c.png)
(Ⅱ)若直线
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/17e2799d49614107bbf953f06089600c.png)
![](https://img.xkw.com/dksih/QBM/2012/3/6/1570789981249536/1570789986975744/STEM/54ed4579fcdf4015be4d31325d3895c3.png)
2010·吉林·模拟预测 查看更多[1]
(已下线)2010年吉林省东北师大附中高三第五次模拟考试数学(理科)试题
更新时间:2019-01-30 18:14:09
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相似题推荐
解答题-问答题
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适中
(0.65)
名校
【推荐1】已知圆C过点
,且圆心C在直线
上.
(1)求圆C的标准方程;
(2)若过点(2,3)的直线
被圆C所截得的弦
的长是
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85680f786e70df48c9c69dd4773362fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1cb41222d27da278a922db1cd5cb34.png)
(1)求圆C的标准方程;
(2)若过点(2,3)的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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【推荐2】已知直线
与圆
相交于
两点,
(1)求
的取值范围;
(2)若
为坐标原点,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd55f837e9c4e6bba1163ef13edd09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a608811fc9f3558efbb6447ba1d31c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5703366ceb15c4080aafb8d586daf7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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【推荐1】在平面直角坐标系
中,曲线
的参数方程为
,(
参数),以
为极点,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程及曲线
的直角坐标方程;
(2)若
,当曲线
与曲线
有两个公共点时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a7bcb132fdcc833dc9c6545cf719cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50e7486ad3ff5eb8899e93d4e70009a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3d43f3e7109d1e4173ee4993c9a148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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【推荐2】平面直角坐标系中,以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系.直线
的极坐标方程为:
,椭圆
. (Ⅰ)求直线
与椭圆
直角坐标方程;
(Ⅱ)若直线
与椭圆
交于
两点,点
求
.
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a0c3502d42b33a09156612cb3343fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d583042cec40cae5685181a0b812911c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49469ed4a9de34dfe29163e96e113c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
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【推荐1】已知在平面直角坐标系
中,曲线
(t为参数),在以坐标原点O为极点,x轴的正半轴为极轴的极坐标系中,曲线
的极坐标方程为
.
(1)写出曲线
的极坐标方程和
的直角坐标方程;
(2)已知
,曲线
,
相交于A,B两点,试求点M到弦AB的中点N的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd44cf6c73affeaeb6bcd14cbd94347a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e584f799ea554fc5533925ead4672501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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【推荐2】已知曲线
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,直线
的极坐标方程为
.
(1)把
的参数方程化为极坐标方程;
(2)求直线
被曲线
截得的弦长
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fef016ab05c7487ce64b13d71048d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801c8c069029c1ee6388c9c57e3cfade.png)
(1)把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求直线
![](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/3f4dfec890cdfdda355e19463f3be813.png)
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适中
(0.65)
【推荐3】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,曲线
的极坐标方程为
,且曲线
的左焦点
在直线
上.
(Ⅰ)求
的极坐标方程和曲线
的参数方程;
(Ⅱ)求曲线
的内接矩形的周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7bd38bc40ed31ac47fb969977fc098a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/0f7d7cef16186cba68ee038ff3927436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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