名校
解题方法
1 . 设圆C:
,直线l:
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6d5018b988d9843479cfdcfd3a522d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba376ae2bbeefb1d3ffa99bdf21055a.png)
A.C的半径为2 | B.l恒过定点![]() |
C.l可能与C相切 | D.当![]() |
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2023-02-11更新
|
457次组卷
|
3卷引用:广东省深圳市南山区2022-2023学年高二上学期期末数学试题
名校
解题方法
2 . 已知双曲线
和圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bef93a53a2004910a8cac32f93c4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebec100301a60f8c6c21328cedd5f14.png)
A.双曲线![]() ![]() |
B.双曲线![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
2023-02-10更新
|
1510次组卷
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4卷引用:广东省汕头市2022-2023学年高二下学期期末数学试题
解题方法
3 . 已知O是坐标原点,过抛物线
的焦点F作直线l与C交于A,B两点.
(1)证明:以AB为直径的圆与抛物线的准线相切;
(2)求
面积S的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
(1)证明:以AB为直径的圆与抛物线的准线相切;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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解题方法
4 . 已知圆
,直线
.
(1)求证:任意
,直线
与圆
总有两个不同的交点;
(2)当
时,求直线
被圆
截得的弦长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca23a2a8cf7f1022133ee825c7e12ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3445947fa34dd409a1354786e6c4a579.png)
(1)求证:任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2023-02-08更新
|
221次组卷
|
2卷引用:广东省潮阳区2022-2023学年高二上学期期末数学试题
解题方法
5 . 已知椭圆
的四个顶点围成的四边形面积为
,周长为
,一双曲线
的顶点是该椭圆的焦点,焦点是该椭圆长轴上的顶点.
(1)求椭圆
和双曲线
的标准方程;
(2)
是双曲线
上不同的三点,且
两点关于
轴对称,
的外接圆经过原点
.求证:直线
与圆
相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee05b3210c8964deef8ff771173d288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65183d238c9bc2be73770717d890683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
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2023-02-03更新
|
358次组卷
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2卷引用:广东省河源市2022-2023学年高三上学期期末数学试题
名校
6 . 已知点
在圆
:
上,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0f7f86f7cf789ea97eab5b0f08bed1.png)
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f143ca890a2e92f28a942cbad62781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0f7f86f7cf789ea97eab5b0f08bed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
A.直线![]() ![]() | B.直线![]() ![]() |
C.点![]() ![]() ![]() | D.点![]() ![]() ![]() |
您最近一年使用:0次
2023-01-18更新
|
675次组卷
|
5卷引用:广东省广州市2022-2023学年高二上学期期末数学试题
广东省广州市2022-2023学年高二上学期期末数学试题(已下线)模块四 专题5 重组综合练(广东)期末终极研习室(高二人教A版)福建省福州延安中学2022-2023学年高二下学期数学适应性练习试题山东省聊城市2023-2024学年高二上学期11月期中数学试题(已下线)高二数学开学摸底考01(江苏专用)-2023-2024学年高中下学期开学摸底考试卷
7 . 已知抛物线
:
的焦点为F,过F的直线与C交于A、B两点,且A在x轴上方,过A、B分别作
的准线
的垂线,垂足分别为
、
,则( )
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
A.![]() |
B.若![]() |
C.若![]() ![]() |
D.以![]() |
您最近一年使用:0次
8 . 已知点
和圆
,则下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
A.若点P在圆O内,则直线![]() |
B.若点P在圆O上,则直线![]() |
C.若点P在圆O外,则直线![]() |
D.若直线![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知直线
与圆
,点
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc7dfc6468b254c1bd101d7f2e6f0b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8fa64fec535f51aacbae6480e744d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
A.若点![]() ![]() ![]() ![]() |
B.若点![]() ![]() ![]() ![]() |
C.若点![]() ![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() |
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名校
解题方法
10 . 已知圆
,直线
.
(1)求证:直线
过定点,并判断直线
与圆
的位置关系;
(2)当
时,过圆
上点
作圆的切线
交直线
于点
,
为圆
上的动点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db078760974c0b1d214dcf4924dacb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d860712331662b27fb87cc5c6c193451.png)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed18bd80c6c4142f68e89f4ad44570b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
您最近一年使用:0次
2022-12-20更新
|
323次组卷
|
2卷引用:广东省广州市西外2022-2023学年高二上学期期末数学试题