名校
1 . 已知倾斜角为
的直线
的参数方程为
(
为参数).在直角坐标系
中,
,以
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
.直线
与曲线
交于
两点.
(1)求
的值及曲线
的直角坐标方程;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e377a63c60132d7d7c0c22e9e950a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3fdea1bdd133a14556a9612292f1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2d50a03130b0d6036f8354b81b7243.png)
您最近一年使用:0次
2023-11-29更新
|
202次组卷
|
3卷引用:青海省海南藏族自治州海南州普通高中2023-2024学年高三上学期期中联考数学(理科)试题
2 . 圆
的圆心坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519e957171cb64bfb666ffba9804ef6e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 点
的直角坐标为
,则点
的极坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f270073fb33f95a20c3dbb5922a8832d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 曲线
(
为参数)与曲线
(
为参数)的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f63468735077cf658880b58e7ecba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56628fa1615a584ee8eadc4186ec045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.内切 | B.外切 | C.相离 | D.内含 |
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解题方法
5 . 方程
(
为参数)所表示的图形是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e4aafcbd9a369dfaa63032937524c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 极坐标方程
表示的曲线是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8251e151dd6e530477f7194e38bdb63c.png)
A.圆 | B.椭圆 | C.双曲线的一支 | D.抛物线 |
您最近一年使用:0次
7 . 已知直线的极坐标方程为
,则极点到该直线的距离是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feed563d332e757b755e14ffc7f5cf29.png)
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8 . 已知伸缩变换表达式为
,曲线
在此变换下变为椭圆
,求曲线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9fbcbfd2b1c4123a67f5af4d0a7ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a36427f3c303caa3574c1ca77839b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
9 . 已知直线l是过
,直线的倾斜角为
,圆的极坐标方程为
.
(1)求直线l的参数方程;
(2)设直线l与圆相交于M,N两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b559f160470e4ae99634b95e2537c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0532905ff30da96c559316cacca73965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d59b7c81d058f0b24fdc6ca1928651.png)
(1)求直线l的参数方程;
(2)设直线l与圆相交于M,N两点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e177345aea68c21205d3ff3107eb1f03.png)
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10 . 在平面直角坐标系
中,曲线
的参数方程为
(α为参数),以坐标原点
为极点,
轴的非负半轴为极轴建立极坐标系,直线
的极坐标方程是
.
(1)求曲线
的普通方程和直线
的直角坐标方程;
(2)设点
,直线
与曲线
交于
,
(均异于点
)两点,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea48e68eb37679d8047019c107711ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea8344ab4046e78e79f93ca96206c75.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddab76a602dac9677188265746ae599f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20315aef4a9a9950a8e59f11b6322e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
您最近一年使用:0次
2022-10-23更新
|
266次组卷
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4卷引用:青海省西宁市湟中区2022-2023学年高三上学期期中考试数学(理)试题