名校
1 . 抛物线
的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108c18cb76d7d34b05c991a644c8b136.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-03-07更新
|
500次组卷
|
6卷引用:重庆市第七中学校2023-2024学年高二上学期期末模拟数学试题
名校
2 . 已知抛物线
的焦点为F,
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ab82c33e6c1f8b73628fa78e6868b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f563ecb94cd084b842b9fb4c294cb5d1.png)
A.![]() | B.2 | C.![]() | D.![]() |
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2023-02-26更新
|
363次组卷
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2卷引用:重庆市主城区七校2022-2023学年高二上学期期末数学试题
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3 . 双曲线
:
(
,
)的渐近线与抛物线
的准线交于
,
两点,
为坐标原点,
的面积为1,则双曲线的渐近线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e725a933ec58d11fa65687dae4c7a0aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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2023-01-18更新
|
645次组卷
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2卷引用:重庆市第一中学校2022-2023学年高二上学期期末数学试题
名校
解题方法
4 . 已知抛物线
,圆
:
,过圆心
作直线
与抛物线
和圆
交于四点,自上而下依次为
,
,
,
,若
,
,
成等差数列,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4fb72e39d79b7a0cd892fa5fa34bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd6047b670ad125d505010dd4576067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffbd97467518d309bffa46df98f3fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd660cef2ba386a317e01e78b5b13e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-18更新
|
808次组卷
|
6卷引用:重庆市第一中学校2022-2023学年高二上学期期末数学试题
解题方法
5 . 已知抛物线
,F为其焦点,若直线
与抛物线C在第一象限交于点M,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32d1cbd3ee6d1a210a8eae153ac5bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c0e6371e89f6f3d017e83e2ffc221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995e31d67e547f5129de48dac3fa688e.png)
A.1 | B.2 | C.3 | D.4 |
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6 . 已知抛物线
的焦点为
,
到双曲线
的渐近线的距离为
.
(1)求抛物线
的标准方程;
(2)过动点
作抛物线
的切线
(斜率不为0),切点为
,求线段
的中点
的轨迹方程.
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5c23d287ebbfffcd37ceb08adc2288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c240561788bc63f41a6703219fb66d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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2023-01-13更新
|
477次组卷
|
6卷引用:重庆市七校(江津中学、大足中学、长寿中学、铜梁中学、合川中学、綦江中学、实验中学)2022-2023学年高二上学期期末数学试题
重庆市七校(江津中学、大足中学、长寿中学、铜梁中学、合川中学、綦江中学、实验中学)2022-2023学年高二上学期期末数学试题宁夏回族自治区2023-2024学年高二上学期期末测试数学训练卷(一)(范围:选择性必修第一册)(已下线)3.3 抛物线(精练)-2023-2024学年高二数学《一隅三反》系列(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26 抛物线及其标准方程5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)(已下线)通关练17 抛物线8考点精练(2)
7 . 已知抛物线
上三点
,
,
,F为抛物线的焦点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176f08b99ff8b8ca7b903eb319204094.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708d0e76f524d0e8a48db01392faac8.png)
A.抛物线的准线l的方程为![]() |
B.若F为![]() ![]() |
C.若直线AC过焦点F,过点A和抛物线顶点的直线交抛物线的准线l于点D,则直线DC平行于抛物线的对称轴 |
D.若直线AC过焦点F,准线l上存在一点M满足![]() ![]() |
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解题方法
8 . 设
是过抛物线
的焦点F的一条弦(与y轴不垂直),其垂直平分线交y轴于点G,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c011291853472ef354492f067dabda4.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
名校
解题方法
9 . 已知抛物线
上的两点
,
及抛物线上的动点
,直线PA,PB的斜率分别为
,
,坐标轴原点记为O,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590fa7c70bd0a95eb7179a39d2157f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb57bb18755127be041d346444a4743e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f927dce0854b361a0b98739fd043b288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
A.抛物线的准线方程为![]() |
B.三角形AOB为正三角形时,它的面积为![]() |
C.当![]() ![]() |
D.过三点![]() ![]() ![]() ![]() |
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2023-01-10更新
|
874次组卷
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4卷引用:重庆市长寿中学2022-2023学年高三下学期3月月考数学试题
名校
10 . 抛物线
的焦点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749d9caeb09f0f1ac9f299673a8fc72b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-11更新
|
385次组卷
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3卷引用:重庆实验外国语学校2022-2023学年高二上学期期末数学试题