名校
1 . 阿波罗尼斯是古希腊著名数学家,与阿基米德、欧几里得并称为亚历山大时期数学三巨匠,他研究发现:如果一个动点
到两个定点的距离之比为常数
(
,且
),那么点
的轨迹为圆,这就是著名的阿波罗尼斯圆.若点
到
,
的距离比为
,则点
到直线
:
的距离的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.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/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.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/76218cf7a5779168198df12edafa276a.png)
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2024-06-11更新
|
60次组卷
|
2卷引用:青海省海东市第一中学2023-2024学年高二上学期期中考试数学试题
名校
解题方法
2 . 已知点
,动点A在圆M:
上运动,线段AN的垂直平分线交AM于P点,则P的轨迹方程为______ ;若动点Q在圆
上运动,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e258dc5c8b4ea30bca80a56098065402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7087fd4f638a63704624fbec6e67b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d30337ed2f68b73a050688566eac4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
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3 . 如图,在平面直角坐标系
中,点
,
,角
的顶点与坐标原点
重合,始边为
轴的非负半轴,终边与单位圆
交于点
,则阴影区域的面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8950c7bc835103d52ceffab14b6b31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3a0ff28cf69a2999d7af54d0792269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/fcf79273-d183-44d9-9a97-720ec5bacbde.png?resizew=181)
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23-24高二上·全国·课后作业
4 . 已知点
在圆
上运动,长度为4的线段
在直线
上滑动,则
面积的最小值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6f53dd46d9cbda251982ffdcadc96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ee4fee4e31dde06ecafe8def22af42.png)
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5 . 已知实数
满足:
,则
的最大值是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b672aad8cac57acdc9654d95699c00c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a297ffd505ffe4f3a47a6c9543ecfb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3109dd281bf47a57bbfe18d9297ee2.png)
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6 . 已知A为圆C:
上的动点,B为圆E:
上的动点,P为直线
上的动点,则
的最大值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474f0068e21da52c260ca46bf8149563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b309986ab9da2e049812c871769924f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb58cef2ef9fd70d37d138c5ec445ba.png)
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7 . 对任意的实数, 圆
上一点到直线
的距离
的取值范围为
您最近一年使用:0次
2024-03-03更新
|
209次组卷
|
2卷引用:四川省成都市2023-2024学年高二上学期期末校级调研联考数学试题
8 . 在平面直角坐标系中,定义
为点
到点
的“折线距离”.点O是坐标原点,点P在圆
上,点Q在直线
上.在这个定义下,给出下列结论:
①若点P的横坐标为
,则
; ②
的最大值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
③
的最小值是2; ④
的最小值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
其中,所有正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093c6d5bcaa69cea79b24688f5d1bd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a39648cb8036d9773c2fcc145e6270.png)
①若点P的横坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f8657de54481172ca9179c88c0c4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ae1bf271f86fd36f7e07dfdc03a0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e32a237e5e2d4dc064d337ab21fef41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5120d563479e6e13dabfff4e09225d51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9e3b3302ef30f5853224dc491ded16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f8f7e40ba386c0a9675896b52752d6.png)
其中,所有正确结论的序号是
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解题方法
9 . 已知
、
、
,且动点
满足
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bda45b7f565147f18a5c83bb8a23142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b847b19ddba34cb51b4620be81f792b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5d30e4268a4b86a4e098e8cb57da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1cd4e6c9bd4b670bed02b89282c44c.png)
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2024高二上·全国·专题练习
10 . 已知点
,
,点
是圆
上的动点,则
面积的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40630a669f4eedf626bc24851df10c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a305abc97c52f73c8849c7d0b1d3cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0edafce95aade0386bc0d78f679dcf47.png)
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