名校
1 . 直线
与抛物线
交于
、
两点,若
,其中
为坐标原点,则
的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8edfd2fc98d1854809d6b9d5a755cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-06-14更新
|
945次组卷
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5卷引用:四川省成都市第七中学2022-2023学年高二下学期零诊数学试题(文科)
名校
2 . 抛物线C与抛物线
关于
轴对称,则抛物线C的准线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 . 已知抛物线
的准线为
,且点
在抛物线上,则点A到准线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f943121691740928470268b34781e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.5 | B.4 | C.3 | D.2 |
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2023-05-19更新
|
877次组卷
|
5卷引用:四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期末考试数学(文)试题
名校
解题方法
4 . 设抛物线
的焦点为
,若点
在抛物线上,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.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/e1584d07b1e2ddc64349f0f5940f3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.1 | B.2 | C.4 | D.8 |
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2023-05-10更新
|
881次组卷
|
2卷引用:四川省内江市第六中学2022-2023学年高二下学期第二次月考数学(理)试题
名校
解题方法
5 . 抛物线有一条重要的性质:平行于抛物线的轴的光线,经过抛物线上的一点反射后经过它的焦点.反之,从焦点发出的光线,经过抛物线上的一点反射后,反射光线平行于抛物线的轴.一束光线由点
出发沿x轴反方向射向抛物线
上一点P,反射光线所在直线与抛物线交于另一点Q,则弦
的长为 ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435676e4c4ad5d58b565d2e4d1c5708a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
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解题方法
6 . 已知抛物线
:
的焦点为
,设点
在抛物线
上,若以线段
为直径的圆过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7df59807efb72498b8618912d38b7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088fcdd595455906a1a7080d630611f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7df59807efb72498b8618912d38b7.png)
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2023-04-25更新
|
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3卷引用:四川省南充市嘉陵第一中学2022-2023学年高二下学期期中理科数学试题
7 . 过抛物线
焦点且斜率为1的直线
与此抛物线相交于
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
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2023-04-14更新
|
338次组卷
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2卷引用:四川省仪陇马鞍中学校2021-2022学年高二下学期第一次月考理科数学试题
名校
解题方法
8 . 如图所示,双曲线
与抛物线
有公共焦点
,过
作双曲线一条渐近线的垂线,垂足为点
,延长
与抛物线
相交于点
,若
,双曲线
的离心率为
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/12/dac2cc64-0610-44dc-aa46-c4a324defb31.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42a960d9c62f797d46caa7a8a4a134a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0107aa23cf707446f947fa236421c1f0.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb98056e4d6f5338ffb3b3d1ceb2350e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29078df0f69f0fb2c1547e384a02b6b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/12/dac2cc64-0610-44dc-aa46-c4a324defb31.png?resizew=142)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-04-11更新
|
1603次组卷
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6卷引用:四川省遂宁市射洪中学校2023-2024学年高二上学期12月月考数学试题
四川省遂宁市射洪中学校2023-2024学年高二上学期12月月考数学试题陕西省咸阳市高新一中2023-2024学年高二上学期第三次质量检测数学试卷(已下线)2.7.1 抛物线的标准方程(分层练习)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第一册)(已下线)专题03 圆锥曲线方程(3)江西省新余市第一中学2023-2024学年高二下学期开学考试数学试卷湖南省长沙市A佳教育联盟2023届高三下学期4月联考数学试题
9 . 已知
是抛物线
的焦点,
为坐标原点,点A是抛物线
上的点,且
,则
的面积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffded5e7b188f37cd9bfd2d9a4d494dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ed9b2d4c4fe575e806daf5000efb83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76a9b7a4698a930f6bedad8f6203fc9.png)
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2023-04-08更新
|
474次组卷
|
4卷引用:四川省内江市威远中学校2022-2023学年高二下学期期中考试数学(文)试题
10 . 如图,已知过抛物线
的焦点F的直线
与抛物线交于A、B两点,且
(O为坐标原点)的面积为
,则
的值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/9d4b9abc-c868-4ed2-b937-df97368c25d7.png?resizew=129)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8699484a0dc893de0ed7cb7372d546c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769e331789f2f4c1884ed3854aad4aba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/9d4b9abc-c868-4ed2-b937-df97368c25d7.png?resizew=129)
A.1 | B.![]() | C.2 | D.4 |
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