解题方法
1 . 光线从点
射到
轴上,经
轴反射后经过圆
上的点
,则该光线从点A到点
的路线长的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8c934a5b1e5481440d8de919a3771c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0749142e1d5c8f5b3fb8996643559af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.9 | B.10 | C.11 | D.12 |
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解题方法
2 . 若圆
关于直线
对称的圆恰好过点
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a7a215b210e03dd57e27cb8f0256bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
3 . 设直线
:
,一束光线从原点
出发沿射线
向直线
射出,经
反射后与
轴交于点
,再次经
轴反射后与
轴交于点
.若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2c243b228f84a2692cbfb94d56dead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caccbdd38667f6e1728672eff243c0dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.2 |
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2024-03-14更新
|
1542次组卷
|
4卷引用:湖北省八市2024届高三下学期3月联考数学试卷
4 . 在平面直角坐标系
中,点
,直线
,点
关于直线
的对称点为
,则
面积的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a0d4c22734cac795de1e5c5fbefa87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/671f31d23ab15ff9ab015b34ba54c5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 点
关于直线
的对称点在圆
内,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02c97862b6d3992d754d47df09eec6c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79af8705af8a97bc8b02181377c658c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ebaea8f2b3ab3d44df6bbf06f73a6ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-03-14更新
|
893次组卷
|
5卷引用:浙江省强基联盟2024届高三下学期3月联考数学试题
解题方法
6 . 在平面直角坐标系
中,点
,直线
,点
关于直线
的对称点为
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a0d4c22734cac795de1e5c5fbefa87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da20762d52cbb557dafb80cb9b30993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7db9b4ac9106bfaf32eba6ae265872b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 点关于直线
的对称点的坐标为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知圆
,点
,
为圆
上的动点,
为
轴上的动点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d925c785035e309eaf0508ec78c82b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773c2dd14d50e7f0d3326af4833d899a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-21更新
|
944次组卷
|
7卷引用:【一题多变】对称最值 镜像为引
(已下线)【一题多变】对称最值 镜像为引山东省潍坊市2023-2024学年高二上学期普通高中学科素养能力测评数学试题河南省信阳市信高教育集团南湾校区2023-2024学年高二上学期期末复习检测数学试题(一)(已下线)专题02 圆的方程11种常见考法归类(2)河南省信阳市固始县高级中学第一中学2023-2024学年高二上学期第三次月考数学试题(已下线)期末精确押题之单选题(45题)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)(已下线)高二上学期期末考点大通关真题精选100题(2)
名校
解题方法
9 . 已知椭圆
的长轴长为
,离心率为
,斜率为k的直线l与椭圆
有两个不同的交点A,B.
(1)求
的方程;
(2)若直线l的方程为
,点
关于直线l的对称点N(与M不重合)在椭圆
上,求t的值;
(3)设
,直线PA与椭圆
的另一个交点为C,直线PB与椭圆
的另一个交点为D,若点C,D和点
三点共线,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163b5beef24f681605adecc6b0ba76e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9868f77d5ab5073b6145f1c6d272122e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若直线l的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeabebd5bd9968bf5604ae1243476b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f4ec943ad1319d9df9ead145195817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116b8a86269aa2e2d1fbcfcd9a37914a.png)
您最近一年使用:0次
2023-12-20更新
|
582次组卷
|
6卷引用:江西省部分学校2024届高三上学期12月联考数学试题
解题方法
10 . 直线
关于
轴对称的直线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9315b85140f138a28c6c9636a48bc441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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