名校
1 . 已知点
在抛物线
上,则点
到抛物线
的焦点的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7cc20a41e422a6200340562b330ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2024-02-07更新
|
271次组卷
|
3卷引用:北京市清华附中高22级2023-2024学年高二上学期期末数学试题
2 . 到定点
的距离比到
轴的距离大
的动点且动点不在
轴的负半轴的轨迹方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5cbf5325b097a594dce03be12a43bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知等差数列
的前
项和为
,能够说明“对
,若
,则
”是假命题的
的一个通项公式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1254070260067f8bf2fec39a7d0c8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96e1265c0d2641160d39de380bd81ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
2024-02-04更新
|
554次组卷
|
2卷引用:北京市丰台区2023-2024学年高二上学期期末练习数学试卷
名校
解题方法
4 . 已知底面边长为2的正四棱柱
的体积为
,则直线
与
所成角的余弦为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-04更新
|
1025次组卷
|
4卷引用:北京市清华附中高22级2023-2024学年高二上学期期末数学试题
名校
5 . 已知双曲线
,则双曲线
的右焦点到其渐近线的距离是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13d0ee6c655032e821c650ff3f6a482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
6 . 直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67158a9694092c5c9a781be29953f96.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知抛物线
上一点
到焦点的距离是4,则其准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9772f359eb6ea6d54fac0f3899bf20ea.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 椭圆
的长轴长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d1154e9cffca836326a0f1f6f41846.png)
您最近一年使用:0次
9 . 已知向量
,
,若
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb7b6f94badb7eff14f79dec4210a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcd802b565f886393925386a73ad721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
10 . 已知等比数列
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12434a9b8a31fb9594264aeb7b9cf851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
您最近一年使用:0次