名校
解题方法
1 . 已知抛物线
的焦点
与圆
的圆心重合,若点
、
分别在
、
上运动,点
则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c156c3b344e637b4f86404f2711940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caac38b60e247d5e6e01009a8c38b22c.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0617005029053b043c673d15b1f29bdd.png)
A.当直线![]() ![]() ![]() |
B.![]() ![]() |
C.过![]() ![]() ![]() ![]() ![]() |
D.设![]() ![]() ![]() |
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解题方法
2 . 抛物线的弦与过弦的端点的两条切线所围成的三角形叫做阿基米德三角形.已知抛物线
,阿基米德三角形
,弦
过
的焦点
,其中点
在第一象限,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ac6188f40414f76bc754dee4a75809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.点![]() ![]() | B.![]() ![]() |
C.若![]() ![]() ![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知抛物线的焦点为
,准线与
轴的交点为
,过点
的直线
与抛物线交于
,
两点,
点位于
点右方,若
,则下列结论一定正确的有
( )
A.![]() | B.![]() |
C.![]() | D.直线![]() ![]() |
您最近一年使用:0次
2024-05-14更新
|
642次组卷
|
2卷引用:山东省菏泽市第一中学南京路校区2024届高三下学期4月月考数学试题
4 . 设
,
是抛物线C:
上两个不同的点,以A,B为切点的切线交于点
.若弦AB过焦点F,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c663466d641b5fdfef1e529d6c330ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166afeb61d5a80366a8ae29c912cd644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088fcdd595455906a1a7080d630611f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbec8b46231e412ddce55cc96634e182.png)
A.![]() | B.若PA的方程为![]() ![]() |
C.点P始终满足![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知抛物线
焦点为
,过点
(不与点
重合)的直线交
于
两点,
为坐标原点,直线
分别交
于
两点,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99296bab1b42898e7ca336a822510258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/400abb6d0bb0618dde67160941b8853f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1167767fd847678ef279f3e637f2828.png)
A.![]() | B.直线![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-04-18更新
|
1251次组卷
|
5卷引用:山东省部分学校2023-2024学年高三下学期4月金科大联考(二模)数学试题
6 .
为坐标原点,以
为准线,
为焦点的抛物线
的方程为:
.过
的直线交
于
两点,
于
于
为线段
的中点.下列选项正确的有( )
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e627296086a74b6bec2c13f48ce3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcd0a07c239333bc9245de3b833043b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e71abd446a59195761c7b1684d73dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5889e1f093f2c35273d3132ef8434e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
A.![]() ![]() |
B.![]() |
C.直线![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
7 . 已知抛物线
的焦点为
,点
在抛物线上,且
,过点
作
轴于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e537d8264dd22ab2e2ce7dcfc6a94c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab3bbeeae1973ece0a8224d7f22bc6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2784a52c4da98dc9df661fc152fc29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.抛物线的准线为直线![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
23-24高二上·山东德州·期末
8 . 已知抛物线
,F为抛物线C的焦点,准线与y轴交于M点,过点F作不垂直于y轴的直线l与C交于A,B两点.设P为y轴上一动点,Q为AB的中点,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb780dea4bb7d09bf3cb08b7258ebbb1.png)
A.当直线AB的倾斜角为![]() ![]() |
B.当![]() ![]() ![]() |
C.MF平分![]() |
D.![]() |
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名校
9 . 拋物线的光学性质:由焦点射出的光线经抛物线反射后,沿平行抛物线对称轴的方向射出;反之,平行于抛物线对称轴的入射光线经抛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,再经过
上另一个点
反射,沿直线
射出,经过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c438531a5c9508d14ef7008eb4e732.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.延长![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-02-06更新
|
1081次组卷
|
2卷引用:山东省滨州市2024届高三上学期期末数学试题
名校
解题方法
10 . 已知抛物线
:
的焦点为
,准线为
,过点
的直线与抛物线交于
,
两点,点
在
上的射影为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.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/2708fa6298e52f617383efc175b71ddc.png)
A.过点![]() ![]() |
B.以![]() ![]() |
C.设![]() ![]() |
D.若![]() ![]() ![]() |
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2024-01-12更新
|
575次组卷
|
3卷引用:山东省烟台市龙口第一中学等校2023-2024学年高二上学期12月月考数学试题