20-21高二·全国·单元测试
1 . 在平面直角坐标系xOy中,以原点O为极点,x轴正半轴为极轴建立极坐标系,已知圆C1的极坐标方程为ρ=1,圆C2的直角坐标方程为(x﹣1)2+y2=1.
(1)求C1与C2在第一象限的交点的极坐标;
(2)若点A,B分别为圆C1,C2上位于第一条限的点,且
,求|AB|的取值范围.
(1)求C1与C2在第一象限的交点的极坐标;
(2)若点A,B分别为圆C1,C2上位于第一条限的点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d162c29b1e484cfc87350dd68f00b85.png)
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2 . 在直角坐标系
中,直线
的参数方程为
(
为参数),圆
的参数方程为
(
为参数)
(1)求
和
的普通方程;
(2)设点
,直线
与曲线
相交于
,
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f98d6f25f938e5374ea2fb555b92c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1265bec8830537f013d823e79cd354b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求
![](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/7d00f3ce192e2436cce133a33d05ae5a.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05973a156ca66661253a02537dd303d.png)
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2020-06-01更新
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366次组卷
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3卷引用:江西省南昌市第二中学2019-2020学年高三5月模拟数学(理)试题
江西省南昌市第二中学2019-2020学年高三5月模拟数学(理)试题江西省上高二中2021届高三上学期第四次月考数学(文)试题(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
名校
解题方法
3 . 已知直线
的参数方程为
(
为参数),圆
的参数方程为
(
为参数).
(1)若直线
与圆
的相交弦长不小于
,求实数
的取值范围;
(2)若点
的坐标为
,动点
在圆
上,试求线段
的中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4563dc03d108cc1d5883cf027a19a2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6ef6d246d64fb0e57015be024301a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)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/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa2e31608e60e3fd40c040cfe9d6e8e.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2020-08-13更新
|
1092次组卷
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7卷引用:重庆市巴蜀中学2017届高三第二次诊断考试模拟数学(理)试题
重庆市巴蜀中学2017届高三第二次诊断考试模拟数学(理)试题云南省玉溪市第一中学2019-2020学年高三上学期12月月考数学(理)试题(已下线)2020届高三12月第02期(考点13)(文科)-《新题速递·数学》(已下线)2020届高三12月第02期(考点14)(理科)-《新题速递·数学》专题10+坐标系与参数方程-2021高考数学(理)高频考点、热点题型归类强化广西南宁市第三中学2021届高三下学期开学考试数学(理)试题(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
4 . 在直角坐标系
中,以原点
为极点,
轴非负半轴为极轴䢖立极坐标系,已知圆
的圆心的极坐标为
,半径
,点
的极坐标为
,过
作直线
交圆
于
,
两点.
(1)求圆
的直角坐标方程;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/955acb6d8b6eabcd2b67fbc1d422c288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bb8cda96502e6a066f2e3573c1c5ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2af9b001daa5a66d0ab41538c619770.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2d50a03130b0d6036f8354b81b7243.png)
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5 . 在平面直角坐标系中,求下列曲线方程所对应的图形经过伸缩变换
后的图形.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9814fd831c7eb70929219e6453c6e484.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
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6 . 在同一平面直角坐标系中,已知伸缩变换
.
(1)求点
经过变换
所得的点
的坐标;
(2)点
经过变换
得到点
,求点
的坐标;
(3)求直线
经过变换
后所得直线
的方程;
(4)求双曲线
经过变换
后所得曲线
的焦点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6440c5f31f9e639e0138ad7216c042.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf97eea4e3024c0b34343d004a526af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d7ffb7889a31b267a85f1ea238138e.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f56232f1894c6c68197bed9e17b4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a42751b87ccc37039057c71b12571f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354f8e9d6cca157b95877d6540d16fb3.png)
(4)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7278e51850c994afe4f64ca793fe7555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3557809c066e68395b614535a7675e76.png)
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7 . (1)在平面直角坐标系中,求下列方程所对应的图形经过伸缩变换
后的图形.
①
;
②
.
(2)伸缩变换的坐标表达式为
,曲线
在此变换下变为椭圆
,求曲线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1a5bfd4582b7fe96534c6b1704bc319.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810738c63815bffe59d99eb1cef20e21.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64b7ab668d61bcb8ec6d195c672a81e.png)
(2)伸缩变换的坐标表达式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547d7306612e299576493b1cdd704ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75fcbc0a937609a8591ea78428433ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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8 . 设曲线
经过伸缩变换
之后,变成双曲线
,求这个伸缩变换
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0ca78fe585338f922b3fc7bcf1e193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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名校
9 . 已知某圆的极坐标方程为
.求:
(1)圆的直角坐标方程和参数方程;
(2)在圆上所有的点
中,
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d9779e665b66a4794d5abf4517527f.png)
(1)圆的直角坐标方程和参数方程;
(2)在圆上所有的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
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2018-08-17更新
|
2482次组卷
|
10卷引用:2018年秋人教B版数学选修4-4模块综合检测试题
2018年秋人教B版数学选修4-4模块综合检测试题2018-2019学年人教版高中数学选修4-4同步练习:模块综合评价重庆市大学城第一中学校2018-2019学年高二下学期第一次月考数学(文)试题【全国百强校】河北省邢台市第一中学2018-2019学年高二下学期第三次月考数学试题人教A版 全能练习 选修4-4 综合测评 模块结业测评(二)河北省武邑中学2018-2019学年高二下学期期中数学(文)试题甘肃省武威第五中学2018-2019学年高二下学期期末数学(文)试题河北省武邑中学2018-2019学年高二下学期第二次月考(6月)数学(文)试题黑龙江省大庆市大庆实验中学2020-2021学年高二下学期开学考试文科数学试题河北省邢台市第一中学2020-2021学年高二下学期第三次月考数学试题
解题方法
10 . 已知椭圆
(
为参数)及抛物线
,当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a259dddccc3cfe8f81735cd5834785d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e36e53162c76b66c18077c7b7a293be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f5e68252ef48fb55e0d7bd876038b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea215e3b38cb4ed330d8e71ee888be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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