名校
1 . 多样化的体育场地会为学生们提供更丰富的身体锻炼方式.现有一个标准的铅球场地如图,若场地边界曲线M分别由由两段同心圆弧
和两条线段
四部分组成,在极坐标系
中,
,A、O、B三点共线.
,点C在半径为1的圆上.
(2)若需设置一个距边界曲线M距离不小于1且关于极轴所在直线对称的矩形警示区域,如图,求警示区域所围的最小面积.
注:
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4947600808d89be0f44ee44184245904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea0e1899670d6a143a225256c59348f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918a29dde19360105c62d3842fbac0e7.png)
(2)若需设置一个距边界曲线M距离不小于1且关于极轴所在直线对称的矩形警示区域,如图,求警示区域所围的最小面积.
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf1671d3e1e5e9c394d738e8d6f12e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e18f18ddcd6bc68867f8eb76930e37.png)
您最近一年使用:0次
2022-04-14更新
|
732次组卷
|
6卷引用:押全国卷(文科)第22题 坐标系与参数方程-备战2022年高考数学(文)临考题号押题(全国卷)
(已下线)押全国卷(文科)第22题 坐标系与参数方程-备战2022年高考数学(文)临考题号押题(全国卷)四川省泸县第二中学、泸县二中实验学校2022届高三上学期模拟考试数学(文)试题(已下线)四川省成都市第七中学2024届高三上学期期末数学(理)试题四川省成都市第七中学2024届高三上学期期末数学(文)试题四川省成都市成华区某校2023-2024学年高三下学期“三诊”数学(理)试题四川省成都市成华区某校2023-2024学年高三“三诊”数学(文)试题
2 . 已知
是双曲线
的左右焦点,
为圆
上一动点(纵坐标不为零),直线
分别交两条渐近线于
两点,则线段
中点的轨迹为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9e1820afc1d893b071b97b3c99b09e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830dae557581905657626ad99f536b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d82387e48eafb286785a21a8d4150f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.平行直线 | B.圆的一部分 |
C.椭圆的一部分 | D.双曲线的一部分 |
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3 . 如图,在极坐标系
中,正方形
的边长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd0caec008c15302ca973b8e655b748.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/9e438ea4-5afe-4ddb-a414-4c0bb6bef0c2.png?resizew=199)
(1)求正方形
的边
的极坐标方程;
(2)若以
为原点,
分别为轴,
轴正方向建立平面直角坐标系,曲线E:
与边BC,CD分别交于点
Q,求直线
的参数方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab158dd9e96abcae0f115f54fa66c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd0caec008c15302ca973b8e655b748.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/9e438ea4-5afe-4ddb-a414-4c0bb6bef0c2.png?resizew=199)
(1)求正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab158dd9e96abcae0f115f54fa66c5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
(2)若以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79e77ce349def2476f60d0349d445dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d35465f3e40ce00a1dce54b943ae183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fbc229c957487495bb8cda1d4cfd8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2021-12-09更新
|
788次组卷
|
5卷引用:专题28 极坐标与参数方程解答题20题-备战2022年高考数学冲刺横向强化精练精讲
(已下线)专题28 极坐标与参数方程解答题20题-备战2022年高考数学冲刺横向强化精练精讲四川省泸州市2021-2022学高三第一次教学质量诊断性考试数学(理)试题四川省泸州市2021-2022学年高三第一次教学质量诊断性考试数学(文)试题四川省宜宾市第四中学2022届高三二诊模拟考试数学(理)试题四川省宜宾市第四中学2022届高三二诊模拟考试数学(文)试题
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4 . 已知圆O:x2+y2=2,过点A(1,1)的直线交圆O所得的弦长为
,且与x轴的交点为双曲线E:
=1的右焦点F(c,0)(c>2),双曲线E的离心率为
.
(1)求双曲线E的方程;
(2)若直线y=kx+m(k<0,k≠﹣
,m>0)交y轴于点P,交x轴于点Q,交双曲线右支于点M,N两点,当满足关系
时,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2ea8fcb101c2ecba2b2c862eb66b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
(1)求双曲线E的方程;
(2)若直线y=kx+m(k<0,k≠﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/398dc09164ba83d47d2d3a9af3ad4312.png)
您最近一年使用:0次
名校
5 . 已知直线
:
(
为参数).
(1)当
时,求直线
的斜率;
(2)若
是圆
:
内部一点,
与圆
交于
、
两点,且
,
,
成等比数列,求动点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a106912c62d48bddb8f9c4eb4c126d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3416881a6f67d05fe6b67787047fc86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827539d066d1b78e7ef8bc1569864971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/d063ec7f9dbeba72fabf4437f9400e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f645d4b09fba53f971172cd2602c691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ce8eed2660a33465a7f764e76cdba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解题方法
6 . (1)我们知道,以原点为圆心,
为半径的圆的方程是
,那么
表示什么曲线?(其中
是正常数,
在
内变化)
(2)在直角坐标系中,
,表示什么曲线?(其中
、
、
是常数,且
为正数,
在
内变化)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3503d330608e7138d1b529aba4512fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4cad8f3d23f638861abb2bb98bd925e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a406587241c50692a8eb04fe0c1247.png)
(2)在直角坐标系中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b75be28720031f98cfc050e93cdb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a406587241c50692a8eb04fe0c1247.png)
您最近一年使用:0次
7 . 直线系
,直线系A中能组成正三角形的面积等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e1f4c6116fd8ff47d4738eb958c95b.png)
您最近一年使用:0次
名校
8 . 如图,设圆
,现将半圆
所在平面沿
轴折起(坐标轴不动),使之与半平面
成
的二面角,若点
为半圆
上的动点,则点
在半圆
所在平面上的射影的轨迹方程为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176385d91d5e29324fce4a932eff6a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a74b68d468975a4b599f14764014308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176385d91d5e29324fce4a932eff6a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a74b68d468975a4b599f14764014308.png)
![](https://img.xkw.com/dksih/QBM/2021/9/1/2798795293638656/2799244263653376/STEM/9b34435b-8324-4d38-a1fb-da427cced1d3.png?resizew=221)
您最近一年使用:0次
9 . 在极坐标系中,以极点O为圆心的圆O经过点A(2,-π).
(1)求圆O的极坐标方程;
(2)已知MN为圆O的一条直径,射线OP⊥MN,且OP交圆O于P点、交直线
于点Q,求
PQM的面积的最小值.
(1)求圆O的极坐标方程;
(2)已知MN为圆O的一条直径,射线OP⊥MN,且OP交圆O于P点、交直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782c7cef86c279877b3e80e53fb53d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
您最近一年使用:0次
2021-06-27更新
|
785次组卷
|
3卷引用:专题22 极坐标与参数方程-备战2022年高考数学(理)母题题源解密(全国乙卷)
(已下线)专题22 极坐标与参数方程-备战2022年高考数学(理)母题题源解密(全国乙卷)广西师大附属外国语学校2021届高三5月高考考前模拟考试数学(理)试题河南省信阳市罗山县2021-2022学年高三上学期第二次调研考试文科数学试题
解题方法
10 . 已知中心在原点,焦点为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
的椭圆经过点
.
(1)求椭圆方程;
(2)若M是椭圆上任意一点,
交椭圆于点A,
交椭圆于点B,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09872be2fce54e922259bde2c540bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa2e31608e60e3fd40c040cfe9d6e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca4733400ec78f1378dd337630babd0.png)
(1)求椭圆方程;
(2)若M是椭圆上任意一点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/183b6a0cef4256c9696a5bca31053da5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3248e218eef5885d063dd2866b59c6b.png)
您最近一年使用:0次
2021-05-24更新
|
1286次组卷
|
4卷引用:2022年高考考前20天终极冲刺攻略(四)【理科数学】(6月4日)
(已下线)2022年高考考前20天终极冲刺攻略(四)【理科数学】(6月4日)四川省天府名校2021届高三5月诊断性考试文科数学试题四川省天府名校2021届高三5月诊断性考试理科数学试题天津市河东区2021-2022学年高二上学期期末数学试题