解题方法
1 . 已知m,
,
,记直线
与直线
的交点为P,点Q是圆C:
上的一点,若PQ与C相切,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8440725e1df5ca0990b572dd84127914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db2c39601a998aeba8f76419fb30c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad8fd1a3be7dbff94c1e585cb05c1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac35e70d31f4bde3340e7c93e3cc6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c25b4d3207ab7c0bc74255ebb9a86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
A.![]() | B.![]() |
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2 . 如图,已知在
中,
,
是
边上一点,且
,将
沿
进行翻折,使得点
与点
重合,若点
在平面
上的射影在
内部及边界上,则在翻折过程中,动点
的轨迹长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4bb0cc36a05dda3725f4b3b03a7feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解题方法
3 . 过抛物线
焦点
且斜率为
的直线与
交于
两点,若
为
的内角平分线,则
面积最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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河北省多校联考2024届高三下学期适应性测试数学试题(已下线)第20题 抛物线焦点弦、切线方程问题(压轴小题)2024届河北省雄安新区部分高中高考三模数学试题江苏省泰州中学2023-2024学年高三下学期高考模拟预测数学试题
4 . 已知直线
与
轴和
轴分别交于
,
两点,且
,动点
满足
,则当
,
变化时,点
到点
的距离的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b1c78d909cf94234a6c2a8fe28c057.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45224f7eac9d0cef64bf28d93e7721a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b5a49b8191e84cc70e5eb8c7dd626b1.png)
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5 . 已知直线
与直线
相交于点
,且点
到点
的距离等于1,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6790fb30b961803dc860275b521573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58aa7e92a43011355af56a2dc538a8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7374faef204b601022ace1f0a53c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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解题方法
6 . 已知
为圆
上动点,直线
和直线
(
,
)的交点为
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1847305625d68bef7f06d13a6a11184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76400477bbd3432c64e408b6fb3f89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9d62b35e90620e183e781643356c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1c18d47903d245c47bdaf373980fad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db2c39601a998aeba8f76419fb30c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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辽宁省葫芦岛市2024届高三下学期第一次模拟数学试题河南省信阳市信阳高级中学2024届高三高考模拟预测(十三)数学试题河南省信阳市新县高级中学2024届高三下学期适应性考试(十)数学试题(已下线)专题3 学科素养与综合问题(单选题8)(已下线)专题2 与圆有关的最值问题【练】(压轴小题大全)
2024高三·全国·专题练习
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解题方法
7 . 如图,在棱长为
的正方体
中,点E,F在线段BD上,点H,G分别在线段AD,AB上,且
,
,
,动点P在平面
内.若PH,PG与平面
所成的角相等,则BP的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841975e06b7db0367d36171663988b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a53ede781517d737aad0d7b1d337e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72cd5faf476621e3c6b292f201756ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bf9ef324f1289e205e29fed105c38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bf9ef324f1289e205e29fed105c38e.png)
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8 . 在平面直角坐标系
中,已知
为圆
上两点,点
,且
,则线段
的长的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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9 . 已知
,
是圆
上的两个不同的点,若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba1e1ca5040060dde64c667ec432a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f05eb4c4c6f9e6a702735bc0b5122d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c19c51812f2c486e716e0db68bc133d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192a35f0603f57bcc6ec1e75927ba916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38836922cb34274dbcd4d00963a7818c.png)
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解题方法
10 . 已知直线
与
交于
两点,设弦
的中点为
为坐标原点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6569761055da9d63d8713581f9cf62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53672ac527e81794df74719518d366c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8255e035cfd3c2e84f10b236b6fd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c19fa4cd646f4d877c3e58cc346651.png)
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