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1 . 已知
是圆
上动点,
是圆
的上两点,若
,则
的范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421fd161803a25b64a44b392fbaa670c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d97cd2c6e80848401fe98c3247b8329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cef568cfe2fc12a4dec11533ada274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd79ea6078a73c1e7ec4769e5546abec.png)
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2 . 已知圆
,圆
,请写出一条与两圆都相切的直线的方程:______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab7881fddb30cfd2e1c96c6ff1cda32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b0470e773f1dbf6c03d560399e119f6.png)
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2023-03-20更新
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891次组卷
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4卷引用:重庆市巴蜀中学2023届高考适应性月考(七)数学试题
重庆市巴蜀中学2023届高考适应性月考(七)数学试题(已下线)模块一 专题12 直线和圆的方程(已下线)专题11 直线与圆新疆维吾尔自治区乌鲁木齐市第十二中学2023-2024学年高二上学期期末数学试题
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3 . 圆
关于直线
对称的圆为
,若圆
和圆
有公共点,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cddafcf9bf30c0d4b4c0c2b857ab41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3497af3942a788b64c6b91b62a8dbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-11-29更新
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3卷引用:重庆市巴蜀中学校2023届高三上学期高考适应性月考(四)数学试题
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4 . 已知点
,圆
上两点
满足
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7d5b7a335fb30a034976287aee9e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7ddd8c8bb6144b39b732811c775852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d465651f1d8b565c1a249f12e38a2e.png)
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2022-11-07更新
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3卷引用:重庆市巴蜀中学校2022-2023学年高二上学期12月阶段性检测(线上)数学试题
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5 . 已知直线
过圆
的圆心,且与直线
平行,则
的方程是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ec009487a4c073ff6860bd16d3d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900ddc0fa11ef73440f4a78a3a0f16ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
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6 . 实数
满足
,那么
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7822f361618da0965955d7bc25c4b49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4020b2ea06f8e4f11e01753113ab5b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17b0033ec26789418ffe13fa677e0f6.png)
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2022-10-26更新
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4卷引用:重庆市巴蜀中学校2022-2023学年高二上学期第一次月考数学试题
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7 . 现有两点
,若圆
上存在点
,使得
,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3383eba6e46598e0d5010e4d82b75b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40dcbcc8ac305c361f8ba96a4e14643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4889b7400e12119839b3204a404c1934.png)
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2022高三·全国·专题练习
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8 . 若圆
关于直线
对称,由点
向圆C作切线,切点为
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e0fe2131c67375e589b2db8570afc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfce37027e26b52e06a4b28b3fcb53ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d063ec7f9dbeba72fabf4437f9400e07.png)
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4卷引用:重庆市求精中学校2022-2023学年高二上学期期中数学试题
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9 . 椭圆
:
的左、右焦点分别为
、
,点
在椭圆上且异于长轴端点,点M,N在
所围区域之外,若
,
,则
的最大值_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914075a4574c09bdb860d8f8f09a4e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c44b0627ff3e65668498bf00c2c58a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb63d41cfd7d46947eefda0bbfd805a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/f4bb35fc-b2ac-46d5-9f75-7ee77569fb35.png?resizew=246)
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2022-03-23更新
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142次组卷
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2卷引用:重庆市复旦中学2021-2022学年高二下学期开学考试数学试题
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10 . 已知实数
,
,
,
满足
,
,
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb32baabe10eeabdb867e296ad63783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102c4b6b476f28460083508db8c54024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3ff6f17be99ec311610efa08ba002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8e8a01f30f30ce269f0eff0b09490c5.png)
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2022-01-22更新
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4卷引用:重庆市求精中学校2022-2023学年高二上学期期中数学试题