名校
1 . 已知抛物线
的焦点为F,直线
与抛物线C交于A,B两点,设直线AF,BF的斜率分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a53876badc982691e887414c6b86db.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d49f4bedf1033caeed7b1bc712a0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a53876badc982691e887414c6b86db.png)
您最近一年使用:0次
2023-05-20更新
|
553次组卷
|
3卷引用:山东省部分学校2023届高三二轮复习联考(三)数学试题
解题方法
2 . 抛物线
的准线为
,焦点为
,且经过点
,点
关于直线
的对称点为点
,设抛物线上一动点
到直线
的距离为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
A.![]() |
B.![]() ![]() |
C.直线![]() |
D.过点![]() |
您最近一年使用:0次
2023-05-20更新
|
1116次组卷
|
2卷引用:山东省济南市2023届高三三模数学试题
3 . 已知
为坐标原点,直线
过抛物线
的焦点
,与
及其准线依次交于
三点(其中点
在
之间),若
,
,则
的面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c65cc6c6ab7b02c147e73049eceb1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bbafa889700c6764ebc7fc1a42cd91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d672a56cac906638722a0db3658472e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023·全国·模拟预测
4 . 已知抛物线Γ:
的焦点为
,点K在Γ上且在第一象限,直线FK与Γ的准线交于点M,过点M且与x轴平行的直线与Γ交于点H,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee28aa33429481fd1937ce1ff9263abc.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfc1ce7a5514921424ba26751e151b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee28aa33429481fd1937ce1ff9263abc.png)
您最近一年使用:0次
5 . 若曲线
上恰有四个不同的点
到直线
及点
的距离都相等,则实数a的一个值可以是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c234d4721b2278f9af782f666d37c7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cebb466d8642424bd583e8843ffe39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb7ca2d544f528ff1afcbb5c365f337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9775d61eedd3f30c8817892ca27fdd34.png)
您最近一年使用:0次
2023-04-08更新
|
748次组卷
|
3卷引用:山东省聊城市2023届高三第三次学业质量联合检测数学试题
解题方法
6 . 已知抛物线
,其焦点为F,PQ是过点F的一条弦,定点A的坐标是
,当
取最小值时,则弦PQ的长是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b871eae04a8d29a655fdf9a23f77e58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abeecbeb608c686ea8c36221a4d8fc46.png)
您最近一年使用:0次
2023-04-03更新
|
902次组卷
|
4卷引用:山东省潍坊市安丘市2023届高三下学期3月份过程检测数学试题
山东省潍坊市安丘市2023届高三下学期3月份过程检测数学试题(已下线)第07讲 抛物线及其性质(六大题型)(讲义)(已下线)第三篇 努力 “争取”考点 专题8 圆锥曲线的定义应用【讲】安徽省淮南市兴学教育2023-2024学年高二上学期第二次月考模拟数学试题
解题方法
7 . 已知P为抛物线
上一动点,F为
的焦点,双曲线
经过点F与
,直线l与
交于点
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8a3bffe545af2299cf999d44767206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64acf2cf103416ef9fdfbd01933f39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0376b98c0427995f63dce712a9c3f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.![]() ![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.设![]() ![]() |
您最近一年使用:0次
名校
8 . 已知抛物线
的焦点为
,抛物线上两点
在第一象限,且满足
,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788e904c0cd8f65b129105e9e6239b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2023-03-17更新
|
750次组卷
|
3卷引用:山东省淄博实验中学、淄博齐盛高中2022-2023学年高三下学期3月阶段性诊断检测数学试题
解题方法
9 . 曲线
上有两个不同动点
,动点
到
的最小距离为
,点
与
和
的距离之和
的最小值为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff22445eee98cbfba7f4c13815361c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79f49a85a44ca8c61341e913341f7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40237e74d39a74a085af1530c0c77f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffadc37c33ba2e02533959b27b10b66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75f299e48aff5a98fd5a24553bafe12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0a867c2bba986af67a60655c5dfaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccd6b09bb4cf3640db657c01486c0db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a4b32d388558eb9a9e4f0f2dd57c09.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 若抛物线
上的一点
到坐标原点
的距离为
,则点
到该抛物线焦点的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1d93f21f39ebf95b5929b456814246.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbff61fe9d4e93d7cc338489d1c99c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2023-01-16更新
|
915次组卷
|
3卷引用:山东省实验中学2023届高三下学期开学适应性训练数学试题