1 . 平面内到两个定点
的距离比值为一定值
的点
的轨迹是一个圆,此圆被称为阿波罗尼斯圆,俗称“阿氏圆”.已知平面内点
,动点
满足
,记点
的轨迹为
,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08f5d6f91366da27e9b96452bb04977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e88211b53d66173e3131258ccc75b5d.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
A.点![]() ![]() ![]() |
B.过点![]() ![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.已知点![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2 . 已知非零向量
,
,
在同一平面,其中
是单位向量.
与
的夹角为
,
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c984376f5475184e0d3e4f7e1bb65f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c984376f5475184e0d3e4f7e1bb65f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c984376f5475184e0d3e4f7e1bb65f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4249faccf0306f8c5ee02034d8ab898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
A.2 | B.1 | C.![]() | D.![]() |
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名校
3 . 若圆
上恰有三点到直线
的距离为2,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca370c26d51c64f651b76d2569881d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.2 |
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2024高三·全国·专题练习
4 . 已知点
是圆
上任意一点.
(1)求P点到直线
的距离的最大值和最小值.
(2)求
的最大值和最小值.
(3)求
的最大值和最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648c5d95d6085f0c44d8ca9f7d510661.png)
(1)求P点到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b905d12adb1d83dd79b0b6512a32ab.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e3da18d31497e7c2ce5217d139f80e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41215ce7423d2ff5b35e1b0ab070ce28.png)
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5 . 已知圆
,直线
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc5202904b6f3a73ba339276b4b286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ec4707e3c857459293957372a53f3.png)
A.若圆![]() ![]() ![]() |
B.若直线![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若过直线![]() ![]() ![]() ![]() ![]() ![]() |
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6 . 已知直线
与圆
交于A,B两点,写出满足“
面积为
”的m的一个值____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab4f75fdf2f9ee4bec1f194b4856bcf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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7 . 如图,在极坐标系Ox中,
,
,弧
和弧
所在圆的圆心分别是
,
,曲线
是弧
,曲线
是弧
.
,
的极坐标方程;
(2)已知点P是曲线
,
上的动点,直线l:
,C、D是直线l上的两点,且
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8859a4314097bf1ef32d6c9d945dad95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f804a7705b2eba200ceb2743a619d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5beab008836996b5183f4575304fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15481bffd1ee35f89db2a0602388c701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b82133e39fdd29e7d6fd894f13de0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f47c8b6fe0f0736597316f41928dfeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5beab008836996b5183f4575304fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15481bffd1ee35f89db2a0602388c701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知点P是曲线
![](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/9fc8a3447c0deeb530561a15a9893849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b649eb6d189e624fc45ff8a6ae1b38d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
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8 . 圆
上的点到直线
的距离最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c62a5bc2ddd8b57ed3ab0e3adc507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9021f0886cadf8d9f6f12d50be1d3d3.png)
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名校
9 . 已知直线
被圆心为
的圆截得的弦长为
,则该圆的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80991c1f0c963104740e50cfff6f29a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-07-15更新
|
383次组卷
|
3卷引用:山西省长治市2023-2024学年高二下学期6月期末数学试题
10 . 已知圆
,直线
过点
,把圆分成面积为
的两部分
,则
的最大值所在区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b532151ed23e7ffcee4f77693f80e633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次