2020高三·全国·专题练习
1 . 在平面直角坐标系
中,经过伸缩变换
曲线
变为曲线
.以原点
为极点,
轴正半轴为极轴建立极坐标系,
为极角,直线
的极坐标方程为
,其中
为参数,且
.
(1)求曲线
的直角坐标方程和直线
的参数方程;
(2)设直线
与
轴交于点
,与曲线
交于
、
两点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e133ebf27b807b73d35e97c1b4aa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a9b3304aea584cf2f3a69ff866f5347.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/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a71f796366ca31c5be7f14aa68aca77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0037403cb9b4c441dbbe9e01338de07.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063f4f4ce1d9822e9d5144ca0fc83979.png)
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2 . 在直角坐标系xOy中,直线l的参数方程为
(
为参数),在以O为极点,x轴非负半轴为极轴的极坐标系中,曲线C的极坐标方程为
.
(1)求直线l的普通方程与曲线C的直角坐标方程;
(2)若直线l与y轴的交点为P,直线l与曲线C的交点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a424668be7af362722b8dbf27295d25b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2349e6fcc38006adcf52d341fb4302.png)
(1)求直线l的普通方程与曲线C的直角坐标方程;
(2)若直线l与y轴的交点为P,直线l与曲线C的交点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb398137779190b35492d9f06d5fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
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2021-01-10更新
|
197次组卷
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2卷引用:江西省新余市第四中学2021届高三上学期第五次段考数学(文)试题
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3 . 在平面直角坐标系xOy中,曲线
的参数方程为
(
为参数),以O为极点,x轴的正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)过点
的直线l依次与曲线
,
交于A,B,C,D四点,且
,求直线l的普通方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5e1a55579ca43d6fb75a93ad2237d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4896a48a060a764236414e375bb58620.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.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/c9d659b0cc88dc0b7491d72f1a3da96d.png)
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4 . 在直角坐标系
中,曲线
的参数方程为
(t为参数),以原点为极点,x轴的正半轴为极轴,以相同的长度单位建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
和曲线
的直角坐标方程;
(2)已知
,曲线
与曲线
交于M,N两点,若
,求m的值.
![](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/580234128970686c6c85b65b9b05a7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034054ccd500d2860b6e4c56d8aa933a.png)
(1)求曲线
![](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/1f449cadb49859b80c31ef1f68bfe81b.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/8e864f67d852b786576c02e98544cf35.png)
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2020-12-08更新
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1281次组卷
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8卷引用: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(已下线)理科数学-学科网2021年高三1月大联考考后强化卷(新课标Ⅱ卷)四川省成都市第七中学2021-2022学年高三上学期10月阶段考试理科数学试题四川省成都市第七中学2021-2022学年高三上学期10月阶段考试文科数学试题江西省赣州市部分重点中学2021届高三上学期期中考试文科数学试题北京市昌平区新学道临川学校2021届高三12月月考数学(文)试题北京市昌平区新学道临川学校2021届高三12月月考数学(理)试题
名校
解题方法
5 . 已知点
的极坐标为
,曲线
的极坐标方程为
,过点
的直线
交曲线
于
,
两点.
(1)若在直角坐标系下直线
的倾斜角为
,求直线
的参数方程和曲线
的直角坐标方程;
(2)求
的最大值及对应的
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bace556de6191e2e3277f7772f7c3947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075115a5bc60e9eae149cfae175994fc.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)若在直角坐标系下直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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6 . 在直角坐标系
中,直线l的参数方程为
(t为参数),以坐标原点为极点,以x轴的正半轴为极轴建立极坐标系,已知曲线C的极坐标方程为
.
(1)求直线l的普通方程及曲线C的直角坐标方程;
(2)若直线l与曲线C交于A,B两点,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946b07e8a7cfb96917a1719e2b3c83c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77da716ddef1c40128528670b3bee5c5.png)
(1)求直线l的普通方程及曲线C的直角坐标方程;
(2)若直线l与曲线C交于A,B两点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879080beb1e55cae2639645cd64c4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
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2020-11-22更新
|
907次组卷
|
4卷引用:黑龙江省哈尔滨市香坊区第六中学校2020-2021学年高三上学期期末数学试题
名校
7 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),在以坐标原点为极点,
轴正半轴为极轴的极坐标系中,曲线
.
(1)写出曲线
的普通方程和
的直角坐标方程;
(2)过曲线
的左焦点且倾斜角为45°的直线
交曲线
于
两点,求
.
![](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/26107d71bfcc63c6cde6527b79e636a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d553fdc91ec7a13a9ea9091984403b5a.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)过曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2020-11-18更新
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4卷引用:陕西省咸阳市武功县普集高中2021-2022学年高三上学期第三次月考理科数学试题
陕西省咸阳市武功县普集高中2021-2022学年高三上学期第三次月考理科数学试题西藏拉萨那曲高级中学2022届高三上学期期中考试数学(文)试题(已下线)专题48 极坐标与参数方程、不等式选讲-备战2022年高考数学一轮复习一网打尽之重点难点突破安徽省蚌埠市第三中学2019-2020学年高二下学期6月月考数学(文)试题
解题方法
8 . 已知直线l的参数方程为
(
为常数,
为参数),曲线C的参数方程为
(
为参数).
(1)求直线l和曲线C的普通方程;
(2)若直线l与曲线C有公共点,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53199e93b99b03182c313ecb5961ca01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca764271ae39c01efbdc494aa36d3a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求直线l和曲线C的普通方程;
(2)若直线l与曲线C有公共点,求实数m的取值范围.
您最近一年使用:0次
2020-11-15更新
|
1201次组卷
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7卷引用:2021年高考全国乙卷数学(理)高考真题变式题21-23题
(已下线)2021年高考全国乙卷数学(理)高考真题变式题21-23题(已下线)2021年全国高考乙卷数学(文)试题变式题20-23题云南省德宏州、迪庆州2018届高三上学期期末教学质量检测数学(文)试题云南省德宏州、迪庆州2018届高三上学期期末教学质量检测数学(理)试题(已下线)2021年高考全国乙卷数学(理)高考真题变式题21-23题内蒙古乌兰察布市集宁区第二中学2022届高三三模文科数学试题内蒙古乌兰察布市集宁区第二中学2022届高三三模理科数学试题
名校
解题方法
9 . 在极坐标系中,曲线
的方程为
.以极点为原点,以极轴为
轴的正半轴,取相同的单位长度,建立平面直角坐标系,曲线
的参数方程为
,
为参数,
.
(1)求曲线
的直角坐标方程和曲线
的普通方程;
(2)若曲线
与
轴相交于点
,与曲线
相交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750b0da0c643cbb92e0d50f3c67b8a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0695682f897c9b57a56921dcffc3aabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb66f4db41478c23128adc14f2796556.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e255cb6ef5a18b9e800397c55a81bf9.png)
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2020-11-01更新
|
837次组卷
|
4卷引用:黑龙江省佳木斯市第一中学2021届高三第六次调研考试数学试卷(理科)
名校
10 . 已知在极坐标系中,曲线
的极坐标方程为
.以极点为平面直角坐标系的原点,极轴为
轴的正半轴,建立平面直角坐标系,曲线
的参数方程为
(
为参数).
(Ⅰ)求曲线
的直角坐标方程和
的普通方程;
(Ⅱ)设曲线
与曲线
相交于
,
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e3cf5cb4be9c2d2fef460707c8cc58.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/39de5ec407da98911cdedf8ba5b03cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(Ⅱ)设曲线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2020-10-25更新
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9卷引用:江西省五市九校协作体2021届高三上学期第一次联考数学(文)试题