1 . 古希腊著名数学家阿波罗尼斯发现:若动点M与两个定点A,B的距离之比为常数
(
,
),则点M的轨迹是圆.后来,人们将这个圆以他的名字命名,称为阿波罗尼斯圆,简称阿氏圆.已知
,M是平面内一动点,且
,则点M的轨迹方程为________ .若点Р在圆
上,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f817d5f7090558cffccf8c3cd82c0493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d183e00fa84e9df65c1e90d6b647c872.png)
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解题方法
2 . 已知圆D:
与x轴相交于A、B两点,且圆C:
,点
.若圆C与圆D相外切,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835b6de56d01d3c6a6988542409ca286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75e2850bb27c38d07a97495b41c3342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149ee9d2da588990c54ec5199ad221ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149693be1d17def7dda655114711d4d6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 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)
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A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-08更新
|
452次组卷
|
3卷引用:专题2 与圆有关的最值问题【练】(压轴小题大全)
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4 . 希腊著名数学家阿波罗尼斯与欧几里得、阿基米德齐名.他发现:“平面内到两个定点A,B的距离之比为定值
的点的轨迹是圆”.后来,人们将这个圆以他的名字命名,称为阿波罗尼斯圆,简称阿氏圆.在平面直角坐标系xOy中,已知
,
,点P是满足
的阿氏圆上的任一点,若点Q为抛物线E:
上的动点,Q在直线
上的射影为H,F为抛物线E的焦点,则下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08f5d6f91366da27e9b96452bb04977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7078a4e8e927c163c7f98e66759c9834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04b51ef7942a3c84a3a28c359f3b024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c3ea872a20fdc1843cb5ffce8a554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
A.![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() |
D.![]() ![]() |
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2024-03-31更新
|
260次组卷
|
3卷引用:专题3 阿波罗尼斯圆及其应用【讲】(压轴小题大全)
(已下线)专题3 阿波罗尼斯圆及其应用【讲】(压轴小题大全)吉林省长春市东北师范大学附属中学2023-2024学年高二下学期3月月考数学试题河南省焦作市博爱县第一中学2023-2024学年高二下学期4月期中考试数学试题
解题方法
5 . 若圆
与圆
外切,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f696f360654d17c0b26f89bfbd76ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852f8adbd4f6938db6f80880f31b70ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd34eda66afc688494af1f8ca5704667.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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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)
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A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-21更新
|
1054次组卷
|
5卷引用:专题3 学科素养与综合问题(单选题8)
(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)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
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7 . 已知圆
上两点
满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3ff6f17be99ec311610efa08ba002.png)
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A.![]() | B.![]() |
C.![]() | D.![]() |
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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)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
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A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 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)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知圆
,直线
过点
,且交圆
于B,C两点,点
为线段
的中点,点
为圆
上任意一点,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4c60a4ff9461122d351735ba44a071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5374caaa0cb83b1781af1beab7adcfa5.png)
A.若圆![]() ![]() ![]() ![]() ![]() |
B.使![]() ![]() |
C.若直线![]() ![]() ![]() |
D.![]() ![]() |
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