1 . 已知直线
(
不同时为0),圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e95a4e689e4acf1cb2b9f863efa856e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab276155617fe201dcc71b5f1b54ab75.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
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2 . 已知
为圆
上的动点,点
满足
,记
的轨迹为
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63526b69de6148ea54f9ac9aa2c233bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043759bf10f1fbf845d4853f011c7826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.轨迹![]() |
B.圆![]() ![]() |
C.过点![]() ![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
名校
3 . 已知点
为圆
:
上的动点,点
的坐标为
,
,设
点的轨迹为曲线
,
为坐标原点,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2affa2f968907083e02d6bf0338607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4347684056c1a63b9f0116e428a8d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() |
B.曲线![]() ![]() |
C.圆![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-04-13更新
|
856次组卷
|
2卷引用:重庆市开州中学2024届高三下学期全国卷模拟考试(一)数学试题
名校
解题方法
4 . 设P为曲线C:
上的任意一点,记P到C的准线的距离为d.若关于点集
和
,给出如下结论:
①任意
,
中总有2个元素;②存在
,使得
.
其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064659ec0ae0ca1e479a86655913c70e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d65ef0d510abf836e0146a873134f51.png)
①任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb9242e516c1c765726600260af0b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb9242e516c1c765726600260af0b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
其中正确的是( )
A.①成立,②成立 | B.①不成立,②成立 |
C.①成立,②不成立 | D.①不成立,②不成立 |
您最近一年使用:0次
2023-04-13更新
|
525次组卷
|
3卷引用:上海市上海师范大学附属外国语学校2024届高三热身考试数学试卷