名校
解题方法
1 . 在平面直角坐标系
中,已知抛物线
与双曲线
的一条渐近线交于
两点,且点
的横坐标为3.
(1)求抛物线
的标准方程;
(2)设直线
过点
,且与抛物线
交于
两点(A在
轴上方,且
),若
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4220298d1255a052b06555c6ef0a160f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b60a6e64284dd70ea3b68d21e591c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db36b4497b911bc047253b832ae01c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d419a3c588616c8e9765cd4bbb6190.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/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e11aea470f0f611bacd78c155e331b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bbda5be680a2c8bfa775e2a87f192e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276850058eca75939960185d7ee9a19f.png)
您最近一年使用:0次
2 . 如图,已知点
是焦点为
的抛物线
:
上一点,
,
是抛物线
上异于
的两点,且直线
,
的倾斜角互补,若直线
的斜率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/38675591-810e-4a8d-a961-fd6e89ba6ea6.png?resizew=198)
(1)证明:直线
的斜率为定值;
(2)在
中,记
,
,求
最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.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/7089148c36cb3c39af71de653756396a.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2781714853ddd3675560abfaa967242.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/38675591-810e-4a8d-a961-fd6e89ba6ea6.png?resizew=198)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cd0e6d684f1983034c305af2f24cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06433d26939d333c62823d6113f98177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d94ff61f05b1a88f9f9f785441bfcc92.png)
您最近一年使用:0次
2022-11-01更新
|
991次组卷
|
4卷引用:广西南宁市第三十六中学2023届高三上学期数学(文)第三次检测试题
解题方法
3 . 在直角坐标系
中,已知抛物线
,
为直线
上的动点,过点
作抛物线
的两条切线,切点分别为
,当
在
轴上时,
.
(1)求抛物线
的方程;
(2)求点
到直线
距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf92a1ba410263d4f68b7e0432b19aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](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/cf639890f27a42e1383cc6cfa14117a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
解题方法
4 . 已知抛物线
的焦点为F,直线l过焦点F与C交于A,B两点,以
为直径的圆与y轴交于D,E两点,且
,则直线l的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6df3d34b75369313c9d2c7eb1b26f29.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-10-28更新
|
4236次组卷
|
17卷引用:重庆市南开中学校2022-2023学年高二上学期网课质量检测数学试题
重庆市南开中学校2022-2023学年高二上学期网课质量检测数学试题湖北省武汉市第六中学2022-2023学年高二上学期第三次月考数学试题江西省宜春市宜丰县宜丰中学2022-2023学年高二上学期第三次月考(12月)数学试题湖北省十堰市丹江口市第一中学2021-2022学年高三下学期模拟数学试题(二)(已下线)第03讲 抛物线(练)四川省绵阳南山中学2022-2023学年高二上学期期中考试理科数学试题(已下线)专题9-4 抛物线性质应用归类-2(已下线)专题9-4 抛物线性质应用归类-3天津市崇化中学2022-2023学年高二上学期期末数学试题天津市南开大学附中2023-2024学年高二上学期第二次月考数学试题(已下线)模拟卷04陕西省西安工业大学附属中学2022-2023学年高三上学期第六次适应性考试理科数学试题浙江省杭州市2022-2023学年高三上学期第一次质量检测(期末)数学试题(已下线)新高考卷04云南省曲靖市宣威市第七中学2023届高三高考数学学情检测数学试题(一)浙江省杭州市2023届高三上学期教学质量检测数学试题浙江省宁波市鄞州中学2023-2024学年高二上学期期中考试数学试题
解题方法
5 . 在平面直角坐标系
中,已知动圆
与圆
内切,且与直线
相切,设动圆圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)曲线
上存在一点
,不经过点
的直线
与
交于
,
两点,若直线
,
的斜率之和为
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216fa9581783db9cc74549636cf0a1a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222125725b2c8027c03cb08834b6e928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40d197d06e0c6f202efe9f0820a56af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c4dce884147e801b50675b9c0714e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77e9c89b7275b0c1a9af5c9a72e5968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b5e290c6b2c5508a3bf6117afbf7e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9880952857950577055578875ab29141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
您最近一年使用:0次
2022-10-24更新
|
634次组卷
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5卷引用:中学生标准学术能力诊断性测试2021-2022学年高三上学期1月月考数学试题
中学生标准学术能力诊断性测试2021-2022学年高三上学期1月月考数学试题THUSSAT中学生标准学术能力诊断性测试2021-2022学年高三上学期1月月考理科数学试题河南省南阳市第六完全学校高级中学2022-2023学年高二上学期10月月考数学试题(已下线)专题13解析几何中的定值、定点和定线问题(讲)--第一篇 热点、难点突破篇-《2022年高考数学二轮复习讲练测(新高考·全国卷)》(已下线)专题9-5 圆锥曲线大题基础:定点归类
6 . 已知抛物线
的焦点为F,斜率为
的直线l与E相切于点A.
(1)当
,
时,求E的方程;
(2)若直线
与l平行,
与E交于B,C两点,且
,设点F到
的距离为
,到l的距离为
,试问:
是否为定值?若是,求出定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/370dbf20cce606002b5ea1d4acad0ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d1279b91d8c94b86208617c47ad191.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a025fca867f3e347bda7d1fba2d899a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ef56aca7c418605b2678af7ea6a6af.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de388cd28342b99f474e8d2b13daaefc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de388cd28342b99f474e8d2b13daaefc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e8a8d74f886e32a3b66964a12d7a898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2da6ef88591589f330304297d3abfcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8cdc826210c49d2b08f63a86470bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1960cce615c93a52b64079d2c0c1be23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd661c802228b65c3a3886ef90fc8921.png)
您最近一年使用:0次
名校
解题方法
7 . 已知抛物线
:
的焦点为
,直线
分别与
轴交于点
,与抛物线
交于点
,且
.
(1)求抛物线
的方程;
(2)设横坐标依次为
,
,
的三个点A,B,C都在抛物线
上,且
,若
是以
为斜边的等腰直角三角形,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b6b543c5c0177cb43e38de48afe20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b0b7dc61346c291554562762fd0558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacd9c1ce5e65fec29c32f40d86b73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5457643c543bb7b6c0101f91d5d97e14.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
(2)设横坐标依次为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec13d0c7a2f811a742d7e89960c5fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a09af2c6cde51ad73f52c733e5db3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bffbd09f2c5fb3833e1131e7d03e87a.png)
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2022-10-20更新
|
348次组卷
|
3卷引用:广西南宁市2023届高三上学期摸底测试数学(理)试题
8 . 已知抛物线
的焦点为
,且
与圆
上点的距离的最大值为6.
(1)求
的方程;
(2)若点
在圆
上,
,
是
的两条切线,
,
是切点,求
面积的最小值.
![](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/9617de84c60d796c717beb2d91f08240.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
名校
9 . 已知抛物线
的焦点为F,过F的直线与抛物线相交于A,B两点.过A,B两点分别作抛物线的切线,两切线交于点Q.直线l为抛物线C的准线,与x轴交于点D,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
A.当![]() ![]() | B.若![]() ![]() |
C.![]() | D.若点Q不在坐标轴上,直线AB的倾斜角为![]() ![]() |
您最近一年使用:0次
2022-10-11更新
|
781次组卷
|
4卷引用:河北省衡水市部分学校2023届高三上学期9月月考数学试题
河北省衡水市部分学校2023届高三上学期9月月考数学试题广东省广州市铁一,广附,广外2023届高三上学期三校联考数学试题湖北省武汉市第三中学2022-2023学年高二上学期期中模拟数学试题(已下线)模块四 期中重组篇 专题3 期中重组卷(湖北)
名校
解题方法
10 . 已知椭圆
经过点
,其左、右两焦点分别为
,且满足
的面积为
.
(1)求椭圆
的方程;
(2)若过点
的直线交椭圆
于
、
两点,且以
为直径的圆
过椭圆
的左焦点
,求圆
的圆心到抛物线
的准线的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
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