名校
1 . 已知抛物线
的焦点为
,准线为
,点
在抛物线
上,过
作
的垂线,垂足为
,若
(
为坐标原点),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa2c333eb3a718785c053a900c10d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e430de9d088494fae303e65baf93a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
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2024-02-12更新
|
126次组卷
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2卷引用:吉林省珲春市第一高级中学2023-2024学年高二下学期第一次月考数学试题
2 . 在直角坐标系
中,抛物线C:
的焦点为F,准线为
,P为C上一点,
垂直
于点Q,M,N分别为
,
的中点,直线
与x轴交于点R,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb1c436e2b3fa9596e44d0e34904063.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97f059349552413a59af078fc8c7ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb1c436e2b3fa9596e44d0e34904063.png)
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解题方法
3 . 如图,已知抛物线
经过点
,
是抛物线的焦点,以
为始边,
为终边的角
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/7d0a1c6c-9c81-4a7f-9212-50abd5c02dc2.png?resizew=118)
(1)求抛物线的标准方程;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c88fb6041c52d47c495cb4be352708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbd44d7c90a27479a52fd670df005cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bac87db382874f77ec5720a8023f9dd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/7d0a1c6c-9c81-4a7f-9212-50abd5c02dc2.png?resizew=118)
(1)求抛物线的标准方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faac098e58968e51ce2aa41a3eb38d95.png)
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4 . 已知
是抛物线
上的两动点,
是抛物线的焦点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64447af8454c613a58b11d9274d3da2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.直线![]() ![]() ![]() ![]() |
B.直线![]() ![]() ![]() |
C.若坐标原点为![]() ![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() ![]() ![]() |
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5 . 已知抛物线
上的点
到焦点
的距离为
.
(1)求抛物线
的方程;
(2)点
在抛物线上,直线
与抛物线交于
两点(第一象限),过点
作
轴的垂线交于点
,直线
与直线
、
分别交于点
(
为坐标原点),且
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b01c57952e2e5a6cff630d4d77fefe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18c261201283d56c071c1c8133dc20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77397fbf8224ec0ae05cdf385839f70c.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da65eb3ef54e3787fde5820953af511c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99fa94a1f3e4964fcc13a14fab9ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ad4d3b17d04091d6258426f7c42e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2024-01-26更新
|
219次组卷
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2卷引用:吉林省长春市第二实验中学2023-2024学年高二下学期开学测试数学试题
6 . 设
为抛物线
的焦点,A,B,C为抛物线上的三个点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d856ed2306a7cc3e64a1edfb84627aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69429b4c8548ce637c395ad7ec1a77a7.png)
A.4 | B.5 | C.6 | D.7 |
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2024-01-24更新
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420次组卷
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2卷引用:吉林省吉林市吉林毓文中学2023-2024学年高二上学期期末考试数学试题
7 . 已知A,B是抛物线
上的两点,A与B关于x轴对称,
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159a2d4945049c5a8f525f18763eba91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40540618c5b9bb0de570d4c742efe648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3054e2a80d0afcdb4cbf1b3f69f1cd2c.png)
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解题方法
8 . 若抛物线
上一点A的横坐标为
,且A到C的焦点的距离为
,则A点的一个纵坐标为___________ .(写出一个符合条件的即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fe11d937317b3df5a2081c98fc4475.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7566877c369e69e708768f0b44a9063e.png)
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2023-11-29更新
|
620次组卷
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5卷引用:吉林省通化市梅河口市第五中学2024届高三上学期期末数学试题
名校
解题方法
9 . 已知抛物线C:
的顶点为O,经过点
,且F为抛物线C的焦点,若
,则p=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3c61b45914a4f656b56457fb69ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f010c05009780bcdfb90c7115df04b51.png)
A.![]() | B.1 | C.![]() | D.2 |
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2023-09-01更新
|
1237次组卷
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15卷引用:吉林省长春市农安县2023-2024学年高三上学期零模调研数学试题
吉林省长春市农安县2023-2024学年高三上学期零模调研数学试题内蒙古赤峰市2024届高三上学期开学考试理科数学试题陕西省西安市部分学校2024届高三上学期8月入学考试文科数学试题河北省保定市保定市部分高中2024届高三上学期开学数学试题湖南省株洲市第三中学2024届高三上学期8月月考数学试题内蒙古自治区赤峰市红山区2023-2024学年高三上学期开学考试理科数学试题(已下线)2.3.1抛物线及其标准方程(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第一册)(已下线)高二上学期期中复习【第三章 圆锥曲线的方程】十大题型归纳(基础篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)考点10 圆锥曲线的方程求解(椭圆,双曲线,抛物线) 2024届高考数学考点总动员【练】(已下线)第八章 平面解析几何(测试)(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】(已下线)第03讲 3.3抛物线(8大题型训练)-【练透核心考点】2023-2024学年高二数学上学期重点题型方法与技巧(人教A版2019选择性必修第一册)(已下线)3.3.1 抛物线及其标准方程(5大题型)精讲-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)专题3.3 抛物线(6个考点十大题型)(1)江西省南昌市第十九中学2023-2024学年高二上学期期中考试数学试卷
名校
解题方法
10 . 已知抛物线
,直线
,过抛物线的焦点
作直线
的垂线,垂足为
,若点
是拋物线
上的动点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa86bb796035e1150a4788d943ba783e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab9f4d4731d84b342084ddf19609c92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313f3c0555e73574dd48d56110e6c6a0.png)
A.3 | B.4 | C.![]() | D.![]() |
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