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解题方法
1 . 双曲线
的左右焦点分别是
,
,离心率为
,过
的直线交双曲线的左支于
,
两点,若
是以
为直角顶点的等腰直角三角形,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19e695795d6c124955e2c6ec0b46056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ded4a47543a89c17be98722ed14e71b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-01-14更新
|
1013次组卷
|
4卷引用:天津市耀华中学2021-2022学年高三上学期第三次月考数学试题
2 . 已知命题
,
,则p的否定为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053be1852c6e4c16aba9d06912f31960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48ca3b7575e61478f34a395662d9ae8.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
3 . 设
,
,则q是p成立的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613a2f8ae43a1758c64389bb92f8cbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9dd37a06e3c47cb4b24a7fc741a078.png)
A.充要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
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4 . 命题“
,都有
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547adc121c442b3bb9189e6df5ee4018.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-01-13更新
|
331次组卷
|
2卷引用:天津市实验中学滨海学校2021-2022学年高一上学期10月月考数学试题
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5 . 已知空间中四点
,
,
,
,则点D到平面ABC的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dba8b97ce3df77b96144375b93c9ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441fb9b090702a1a1a2a946d1706bf0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e3a3c4345f33c827c1b4b63382c4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51edc0bf1e0117c05294708e773fc126.png)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
2022-01-12更新
|
713次组卷
|
3卷引用:天津市天津中学2022-2023学年高二上学期期末数学试题
6 . 双曲线
的一个焦点到渐近线的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4dfb1fb40be8965cbeee29153e42db9.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
7 . 已知抛物线
的焦点为F,P为抛物线上一点,过点P向准线作垂线,垂足为Q,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f39c1fb9c74a4b8a3faef236294262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd05d243091ba3ec8da3d33fc5956e2.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
8 . 如果抛物线
的准线是直线x=1,那么它的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f773e2ceaff0e2c54b432b649f2411f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 双曲线
的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51ffd2c7ef4d6c5a32874f7ef29fe99.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知双曲线C:
的左、右焦点分别为
,
,离心率为
,抛物线E:
的焦点为F.若点F到双曲线C的渐近线的距离为
,则p为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fd7940df8100511c9b98ed85d014a3.png)
A.![]() | B.1 | C.2 | D.4 |
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