1 . 直线
经过抛物线
的焦点,且与抛物线
相交于
两点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c40baffcb91c4d6a69f86a6b6bc5672.png)
A.![]() ![]() |
B.直线![]() ![]() |
C.![]() |
D.以![]() ![]() |
您最近一年使用:0次
2024-05-08更新
|
508次组卷
|
4卷引用:湖南省长沙市周南中学2023-2024学年高二上学期期末考试数学试题
湖南省长沙市周南中学2023-2024学年高二上学期期末考试数学试题广东省惠州市惠阳区丰湖高级中学2023-2024学年高二下学期5月月考数学试卷云南省昆明市第八中学2023-2024学年高二下学期月考二数学试卷(已下线)2024年新课标全国Ⅱ卷数学真题变式题6-10
名校
解题方法
2 . 已知抛物线
的焦点为
,
为
上在第四象限内一点,且
,直线
与
交于
两点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dda1d7b3982b398ffa32f3dbfdfe787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a0328dde917c3e6d0f1ca9ddb6027b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.![]() ![]() | B.点![]() ![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
2023-09-26更新
|
709次组卷
|
6卷引用:模块二 专题5 圆锥曲线的定义应用 期末终极研习室高二人教A版
(已下线)模块二 专题5 圆锥曲线的定义应用 期末终极研习室高二人教A版(已下线)模块三 专题3 圆锥曲线的定义的应用(高一人教A)贵州省黔西南州兴义市顶效开发区顶兴学校2023-2024学年高三上学期第二次月考数学试题云南省楚雄市东兴中学2024届高三上学期12月月考数学试题内蒙古鄂尔多斯市西四旗2023-2024学年高二上学期期末数学试题江西省红色十校2024届高三上学期9月联考数学试题
3 . 已知直线l:
过抛物线C:
的焦点F,且与抛物线交于A,B两点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
A.![]() |
B.![]() |
C.![]() |
D.抛物线C上的动点到直线![]() ![]() |
您最近一年使用:0次
4 . 抛物线有如下光学性质:由其焦点射出的光线经拋物线反射后,沿平行于拋物线对称轴的方向射出.反之,平行于拋物线对称轴的入射光线经拋物线反射后必过抛物线的焦点.已知抛物线
为坐标原点,一束平行于
轴的光线
从点
射入,经过
上的点
反射后,再经
上另一点
反射后,沿直线
射出,经过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f63119cee22bc652b6858d002b3560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f3f21f4a06c19ed07b41aeef336005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() ![]() |
C.![]() | D.延长![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
5 . 过抛物线
的焦点
作直线交抛物线于
两点,
为线段
的中点, 则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.当线段![]() ![]() ![]() |
B.以线段![]() ![]() |
C.点![]() ![]() |
D.当![]() ![]() |
您最近一年使用:0次
解题方法
6 . 过抛物线C:
的焦点F作两条互相垂直的直线
和
,设直线
交抛物线C于A,B两点,直线
交抛物线C于D,E两点,则
可能的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45d4785a48c4e9641450e9ee2822df3.png)
A.18 | B.16 | C.14 | D.12 |
您最近一年使用:0次
名校
解题方法
7 . 过抛物线
的焦点
且斜率为
的直线
与抛物线交于
两点(
在第一象限),以
为直径的圆分别与
轴相切于
两点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/400abb6d0bb0618dde67160941b8853f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.![]() |
B.![]() |
C.抛物线![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
您最近一年使用:0次
8 . 已知直线l:
过抛物线C:
的焦点F,且与抛物线交于A,B两点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
A.![]() |
B.![]() |
C.![]() |
D.抛物线C上的动点到直线![]() ![]() |
您最近一年使用:0次
2023-12-28更新
|
1172次组卷
|
5卷引用:四川省绵阳市江油中学2023-2024学年高二上学期期末数学模拟试题3
名校
解题方法
9 . 已知抛物线
的焦点为
,过
且倾斜角为
的直线
交抛物线于
,
两点( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.直线![]() ![]() | B.原点到直线![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 过抛物线
的焦点
作直线交抛物线于
两点,
为线段
的中点,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.以线段![]() ![]() |
B.以线段![]() ![]() |
C.当![]() ![]() |
D.当直线![]() ![]() ![]() |
您最近一年使用:0次