1 . 如图,已知圆
的半径为定长
是圆
所在平面内一个定点,
是圆上任意一点,线段
的垂直平分线
和直线
相交于点
.当点
在圆上运动时:(1)当点A在圆
内且不与点
重合时,点
的轨迹是__________ (从圆、椭圆、抛物线中选择一个填写);(2)当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c0700b92ddfc927f81fa96059d70e9.png)
__________
(从>,=,<中选择一个填写)时,点
的轨迹是双曲线的一支.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694032f6e765cbb0391c87c41ad629f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c0700b92ddfc927f81fa96059d70e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/6d6582d9-f283-4315-9dd9-b57b5603cb14.png?resizew=96)
您最近一年使用:0次
2023-01-18更新
|
237次组卷
|
3卷引用:山东省菏泽市2022-2023学年高二上学期期末数学试题
14-15高二上·山东淄博·期末
名校
2 . 下列命题中,真命题的有________ .(只填写真命题的序号)
①若
则“
”是“
”成立的充分不必要条件;
②若椭圆
的两个焦点为
,且弦
过点
,则
的周长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a39aeebd0ae3b2d972782afb0c861a.png)
③若命题“
”与命题“
或
”都是真命题,则命题
一定是真命题;
④若命题
:
,
,则
:
.
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e9d1ad9561d693958756ee8398218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c22b9d08cf536bbb76bce1b0f135772.png)
![](https://img.xkw.com/dksih/QBM/2014/3/27/1571580761915392/1571580767723520/STEM/f0b45eb0bdca4a22ba0160cd39d102ff.png?resizew=39)
②若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fbdcf5ed16ea6ae22fe7446d9aab97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d25313067f3e11f68da496344c4956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0169f9fd16b794f51939cb1e8c99dcdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a39aeebd0ae3b2d972782afb0c861a.png)
③若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
④若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://img.xkw.com/dksih/QBM/2014/3/27/1571580761915392/1571580767723520/STEM/a8c28433120a45308e98228629ebb363.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2014/3/27/1571580761915392/1571580767723520/STEM/760bc97d69564f61aa77e031e571cbdd.png?resizew=89)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeaf0c7c8aac29d2b3704f4416724567.png)
您最近一年使用:0次