解题方法
1 . 已知直线
与
交于一动点,
是该动点的轨迹上的两个动点,点
且
.线段
的中点为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337072547efb659e421e0f57f47e5127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffea25368897b9036ea65dd08b77989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4daf40bad1cc89311930cce356672354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d03310fa9440053c57d878acc06d02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cef568cfe2fc12a4dec11533ada274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() |
B.点![]() ![]() |
C.![]() |
D.![]() ![]() |
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2 . 空间直角坐标系中的动点
的轨迹为
,其中
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f050923b095bdcc7773b863fa61566d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0205ec4f31ce64fed95f08f6f18767.png)
A.存在定直线![]() ![]() ![]() |
B.存在定点![]() ![]() ![]() |
C.![]() |
D.![]() ![]() ![]() |
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2024-06-16更新
|
163次组卷
|
2卷引用:2024届河南省名校联盟考前模拟大联考三模数学试题
名校
解题方法
3 . 已知曲线
,曲线
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8afba75dac7dd121de3a5d76393be3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c629a4f2909d5a49f1e92b50771a6be6.png)
A.![]() ![]() |
B.若![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . 正方体
中,
,P在正方形
内(包括边界),下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
A.若![]() ![]() |
B.三棱锥![]() ![]() |
C.若Q为正方形![]() ![]() ![]() |
D.![]() |
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2024-06-02更新
|
652次组卷
|
3卷引用:湖北省宜荆荆随恩2024届高三5月联考(二模)数学试题
名校
解题方法
5 . 已知正方体
棱长为2,
为棱
的中点,
为正方体表面上一动点,下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.点![]() ![]() ![]() ![]() ![]() |
B.点![]() ![]() ![]() ![]() ![]() |
C.当点![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知
,动点
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7613f5e7af7b50a65777e046ced4d3c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe53e549f52d6f0b33aa6ac482ae7e3.png)
A.点![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() |
D.过点![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-05-28更新
|
534次组卷
|
2卷引用:河北省衡水市2024届高三下学期大数据应用调研联合测评( VIII)数学试题
7 . 古希腊数学家阿波罗尼斯的著作《圆锥曲线论》中给出了阿波罗尼斯圆的定义:在平面内,已知两定点A,B之间的距离为a(非零常数),动点M到A,B的距离之比为常数
(
,且
),则点M的轨迹是圆,简称为阿氏圆.在平面直角坐标系
中,已知
,点M满足
,则下列说法正确的是( )
![](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/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e64286d65f3b14cfb7bd79f743bd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cb2ae47f393fc9ace17021415247ee.png)
A.![]() | B.![]() |
C.若![]() ![]() | D.当点M不在x轴上时,MO始终平分![]() |
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解题方法
8 . 在正方体
中,
为
的中点,
是底面
上一点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.满足![]() ![]() |
D.满足直线![]() ![]() ![]() ![]() |
您最近一年使用:0次
9 . 已知
是以
为圆心,
为半径的圆上任意两点,且满足
,
是
的中点,若存在关于
对称的
两点,满足
,则线段
长度的可能值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f8edea2e5d4e08cf6210d0e9f3fdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a73e13066f5ab14b07a1588d968578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b768ea6a05cbf45b28fc46c501ba532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.3 | B.4 | C.5 | D.6 |
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