1 . 设抛物线
的焦点为
,
是
上的一个动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.点![]() ![]() ![]() |
B.点![]() ![]() ![]() |
C.以![]() ![]() |
D.记点![]() ![]() ![]() ![]() |
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解题方法
2 . 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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3 . 已知直线
与圆
相交于
两点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3683fd5cbf7b7bdef462a3d38ce4eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be2c91c4ace79b6d3ce4e86681f2b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.若圆![]() ![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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4 . 已知圆C:
,直线l:
(
),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550d183b05000722c74baf25eb4a6741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5c5829ddf6feec8fc9709fbc63776c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
A.直线l恒过定点![]() |
B.存在实数m,使得直线l与圆C没有公共点 |
C.当![]() |
D.圆C与圆![]() |
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5 . 若圆
与圆
交于A,B两点,则下列选项中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0de3f498f99c36c2008158243229f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e983a503b8f416f932da29524f46d552.png)
A.点![]() ![]() |
B.直线![]() ![]() |
C.圆![]() ![]() ![]() |
D.圆![]() ![]() |
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6 . 已知圆
,点
是圆
上的一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccdfd6d3e21084121ea5cd11b6b26e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.圆![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2024-06-13更新
|
84次组卷
|
2卷引用:安徽省六安第一中学2024届高三下学期质量检测(三 )数学试卷
名校
7 . 已知圆
,直线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b2244ab18c54b0987c56bfa579e9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be84efef3f72e863bc719738b9fadc.png)
A.直线 ![]() ![]() |
B.当![]() ![]() ![]() |
C.直线![]() ![]() |
D.若圆![]() ![]() ![]() |
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解题方法
8 . 点
关于直线
的对称点在圆
内,则实数
可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d8c32876b176d8539404ac4e02d085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79af8705af8a97bc8b02181377c658c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc216ef5fdef3b5b0803a0425f53679c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.4 | B.6 | C.8 | D.10 |
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9 . 已知
为虚数单位,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.若复数![]() ![]() |
B.若复数![]() ![]() ![]() |
C.若复数![]() ![]() ![]() ![]() |
D.若复数![]() ![]() ![]() |
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10 . 下列命题正确的是( )
A.向量![]() ![]() ![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() |
D.在平面直角坐标系![]() ![]() ![]() ![]() ![]() |
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