名校
解题方法
1 . 已知实数
,
满足
,则
的最小值是( )
![](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/4b3cf706fe2ae0b2e99041ec1f4bf9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
A.-2 | B.![]() | C.![]() | D.-1 |
您最近一年使用:0次
2021-10-13更新
|
679次组卷
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7卷引用:浙江省五校2021届高三下学期5月联考数学试题
浙江省五校2021届高三下学期5月联考数学试题安徽省安庆市第十中学2020-2021学年高二下学期5月月考文科数学试题新疆石河子第一中学2021-2022学年高二下学期5月月考数学(理)试题(已下线)【新东方】【2021.5.19】【SX】【高三下】【高中数学】【SX00131】(已下线)专题04 不等式【知识梳理】-2020-2021学年高二数学下学期期末专项复习(新人教B版2019)(已下线)专题2.2 基本不等式及其应用(练)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)考点49 坐标系与参数方程-备战2022年高考数学(文)一轮复习考点帮
名校
2 . 已知焦点在
轴上的椭圆经过点
,焦距为
.
(1)求椭圆
的标准方程;
(2)点
是椭圆
上的任意点,求点
到直线
:
距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb56ece39b89b3fe97bb2d4c308cad8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcaada7649455fbebcdbdbb9a94e6a1.png)
您最近一年使用:0次
2019-10-25更新
|
1531次组卷
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2卷引用:黑龙江省大庆市铁人中学2019-2020学年高二上学期10月月考数学(理)试题
3 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),以坐标原点为极点,
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,曲线
的参数方程;
(2)若
分别为曲线
,
上的动点,求
的最小值,并求
取得最小值时,
点的直角坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e088e691c3e32f3a367c3c6cae3108.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d06744ab2a56b43e7720a23d87f6e1.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/f78229704aed7f6ceb0e8b57003a5694.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/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2019-01-30更新
|
1633次组卷
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6卷引用:2020届四川省宜宾市叙州区第二中学校高三下学期第一次在线月考数学(文)试题
名校
解题方法
4 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数),在以坐标原点为极点,
轴的正半轴为极轴的极坐标系中,曲线
的方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)点
为曲线
上的动点,
为曲线
上的动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da10acc6ef2f9f15cca0bd6f12e63ef9.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/c0fd9786973703fc6f82e24fced01874.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac35b1e8a952aac4f4cdaaf02d868d04.png)
您最近一年使用:0次
2018-10-26更新
|
2055次组卷
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5卷引用:【全国百强校】西藏自治区拉萨中学2019届高三第五次月考数学(理)试题
5 . 已知直线
的极坐标方程为
,圆
的参数方程为
(其中
为参数)
(1)判断直线
与圆
的位置关系;
(2)设点
在曲线
上,点
在直线
上,则求线段
的最小值及此时点
坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70498aca8afc1531efd39470ab91eacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b277c8607af4373551c5e6a112d0a4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2021-01-07更新
|
779次组卷
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4卷引用:宁夏银川一中2021届高三第六次月考数学(理)试题
名校
6 . 已知在平面直角坐标系
中,椭圆
的方程为
,以
为极点,
轴非负半轴为极轴,取相同的长度单位建立极坐标系,直线
的极坐标方程为
.
(1)求直线
的直角坐标方程和椭圆
的参数方程;
(2)设
为椭圆
上任意一点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f766adae0a31052a8628bb476ae81f.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d03dd85b6b2e5b242b1644d31a92f5b.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f467472d95f5330384cd456445a3fe.png)
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2018-02-27更新
|
2195次组卷
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4卷引用:【全国百强校】江西省临川第一中学2019届高三10月月考数学(文)试题
【全国百强校】江西省临川第一中学2019届高三10月月考数学(文)试题甘肃省武威第六中学2020-2021学年高三上学期第二次过关考试数学(理)试题衡水金卷2018年普通高等学校招生全国统一考试模拟试卷 分科综合卷 理科数学(一)(已下线)专题10-1 极坐标与参数方程题型归类(讲+练)-2
7 . 在直角坐标系
中,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)求
的普通方程和
的直角坐标方程;
(2)求
上的点到
距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc96eb7bf0d0702eb2dad2f0be59f34e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fa125e054fccddb71be88c0fdcf2df.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2020-12-02更新
|
993次组卷
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7卷引用:陕西省西安中学2021届高三下学期第二次模拟考试数学(理)试题
陕西省西安中学2021届高三下学期第二次模拟考试数学(理)试题甘肃省民乐县第一中学2021届高三上学期第二次诊断考试数学(理科)试题(已下线)专题29 坐标系与参数方程(解答题)-2021年高考数学(理)二轮复习热点题型精选精练(已下线)专题16 极坐标与参数方程-2021年高考冲刺之二轮专题精讲精析(已下线)专题27 坐标系与参数方程(解答题)-2021年高考数学(文)二轮复习热点题型精选精练陕西省西安市高陵区第一中学2021届高三下学期二模理科数学试题(已下线)专题11-1 参数方程与极坐标大题15种归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)
8 . 已知曲线
的参数方程为
(t为参数),当
时,曲线
上的点为
,当
时,曲线
上的点为
.以原点
为极点,以
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求
的极坐标;
(2)设M是曲线
上的动点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51416db381ef1cb2e2bdb6491604c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7f5bb3e699203935ca8ec558f7d954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/76e25999f2369db7abe5f54735bdd40f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
(2)设M是曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e55249a7cbc69de7f02b7c5d1ae3e6.png)
您最近一年使用:0次
2022-12-28更新
|
400次组卷
|
2卷引用:四川省遂宁市安居育才中学2022-2023学年高三上学期9月月考数学(文)试题
名校
9 . 已知曲线
的方程为
,曲线
的参数方程为
(
为参数).
(1)求
的参数方程和
的普通方程;
(2)设点
在
上,点
在
上,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae3f914a02c2b5b6bab4e5b1cf4f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3fe0dc0cfbadf6071a4ae869a5426f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次
2020-12-15更新
|
953次组卷
|
11卷引用:湖南省衡阳市衡阳县2018-2019学年高二下学期六科联赛数学(理)试题
湖南省衡阳市衡阳县2018-2019学年高二下学期六科联赛数学(理)试题【市级联考】福建省漳州市2019届高三第一次教学质量检查测试文科数学试题【市级联考】福建省漳州市2019届高三第一次教学质量检查测试理科数学试题内蒙古集宁一中2018-2019学年高二下学期期末数学(文)试题2020届名校联盟高三联考评估卷(八)数学理科试题2020届名校联盟高三联考评估卷(八)数学文科试题(已下线)调研测试五(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷(已下线)精做07 坐标系与参数方程、不等式选讲-备战2021年高考数学(理)大题精做(已下线)解密23 坐标系与参数方程 (讲义)-【高频考点解密】2021年高考数学(理)二轮复习讲义+分层训练(已下线)解密21 坐标系与参数方程 (讲义)-【高频考点解密】2021年高考数学(文)二轮复习讲义+分层训练新疆喀什地区普通高考2023届高三适应性检测数学(文)试题
解题方法
10 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995d537587c94c8bd1420659a500babf.png)
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
,圆
与极轴和直线
分别交于点
,点
(异于坐标原点).
(1)写出点
的极坐标及圆
的参数方程;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995d537587c94c8bd1420659a500babf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb989ab123acd2b26f7734444a3715d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b6d2853ae57f4d2c3b5a0ac6fd4a5f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120c0192f3a2e1bf69348350a710b737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1180d78cdefd8c9fce9ba57d16fb774e.png)
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2022-03-16更新
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7卷引用:西藏林芝市、日喀则市2021届高三下学期第二次联考数学(文)试题