解题方法
1 . 已知抛物线
的焦点F恰好是双曲线
的一个焦点,O是坐标原点.
(1)求抛物线的方程;
(2)经过焦点F作直线l,与抛物线相交于A,B两点,
,若
,且D在抛物线上,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c475c6fc03a1f556d31b87cacb5553.png)
(1)求抛物线的方程;
(2)经过焦点F作直线l,与抛物线相交于A,B两点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af78062e5dcebbe612e1acb595c4ebd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29aecddf1ad3a1e64d8530a7e28e47da.png)
您最近一年使用:0次
2020-08-10更新
|
554次组卷
|
4卷引用:河南省商丘名校2022-2023学年高二上学期期末联考数学(理)试题
河南省商丘名校2022-2023学年高二上学期期末联考数学(理)试题人教B版(2019) 选择性必修第一册 过关斩将 第二章 平面解析几何 专题强化练9 直线与圆锥曲线的综合问题河南省商丘名校2022-2023学年高二上学期第二次联考数(理)试题(已下线)第43讲 抛物线-2021年新高考数学一轮专题复习(新高考专版)
2 . 已知动点
与平面上两定点
、
连线的斜率的积为定值
.
(1)试求动点
的轨迹
的方程;
(2)若点
在第一象限,且
,求
的面积;
(3)设直线
与曲线
交于
、
两点,当
时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38729d36302cda29e4878e9a094b65f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a64d2e963e29c2c691bb297ec30d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)试求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/bb29fec0b08ce7a9fd357714bcf1a611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd55f837e9c4e6bba1163ef13edd09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/c83a5ffb5d4720252b39dbafe82b5b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
3 . 已知椭圆
的左、右焦点分别为
、
,过点
作斜率为
的直线
交
于
、
两点.当
时,点
、
、
、
恰在以
为直径且面积为
的圆上.
(Ⅰ)求椭圆
的方程;
(Ⅱ)若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53fb95fc20cdddbb0f6fb3bc6899860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a882037b9ce104ecc496e0f31a139361.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b67528f875a6d4bac8bbf784f7b66a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48337fd92e2b690360a026dc851f3f84.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb7c4ce010a666bbbaf8e46899392b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
4 . 已知椭圆
的右焦点为
,过
作
轴的垂线交椭圆
于点
(点
在
轴上方),斜率为
的直线交椭圆
于
两点,过点
作直线
交椭圆
于点
,且
,直线
交
轴于点
.
(1)设椭圆
的离心率为
,当点
为椭圆
的右顶点时,
的坐标为
,求
的值.
(2)若椭圆
的方程为
,且
,是否存在
使得
成立?如果存在,求出
的值;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f3c409c807d57ec86a191d236ed343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de1099d677975b416e0678fcd32af27.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e485bd3bd730449b06e107ae9d606e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0375529d09a6349cbdd53006690aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f35f23d689ae20dc153307ee21c8ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-04-06更新
|
440次组卷
|
5卷引用:辽宁省朝阳市建平县2018-2019学年高二下学期期末数学试题
辽宁省朝阳市建平县2018-2019学年高二下学期期末数学试题【校级联考】河南、河北两省重点高中2019届高三考前预测数学(理)试题2019届吉林省吉化第一高级中学校高三下学期第三次模拟数学(理)试题湖南省衡阳市第八中学2019-2020学年高三下学期2月网上月考数学(理)试题(已下线)理科数学-2020年高考押题预测卷02(新课标Ⅰ卷)《2020年高考押题预测卷》
解题方法
5 . 已知直线
经过椭圆E:
(
)的左焦点和下顶点,原点
到直线
的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/20fd98e0-229f-4a22-8dc7-0cb5c4e5b5f4.png?resizew=168)
(1)求椭圆
的离心率;
(2)如上图,
是圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a463744f6f85de0ff99bc2e3073b9e23.png)
的一条直径,若椭圆
经过
,
两点,求椭圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](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/0783504b77ca62498b37d9bde98d5d34.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/20fd98e0-229f-4a22-8dc7-0cb5c4e5b5f4.png?resizew=168)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)如上图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a463744f6f85de0ff99bc2e3073b9e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e771212eddd31a7c33c284f65caf656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
12-13高二上·陕西·期末
名校
解题方法
6 . 已知椭圆
的离心率
,连接椭圆的四个顶点得到的菱形的面积为4.
(1)求椭圆的方程;
(2)设过点
的直线
与椭圆相交另一点
,若
,求直线
的倾斜角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb462c576c54b94029f4af35110f083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae319449e99719c78d7444439156a9ad.png)
(1)求椭圆的方程;
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe6079c6eb21d5eab5416cb0ec79f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e86da177764a37f20574c1f33ea959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-03-21更新
|
333次组卷
|
8卷引用:2011-2012学年陕西省师大附中高二上学期期末考试理科数学
7 . 在平面直角坐标系xOy中,椭圆
的离心率为
,直线y=x被椭圆C截得的线段长为
,则椭圆C的方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22f960164d44169ba30d4e15227ddab.png)
您最近一年使用:0次
解题方法
8 . 已知抛物线
与斜率为
且过抛物线焦点
的直线
交于
、
两点,满足弦长
.
(1)求抛物线的标准方程;
(2)已知
为抛物线上任意一点,
为抛物线内一点,求
的最小值,以及此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ed9d97b8745ed1c15349ea3fffc299.png)
(1)求抛物线的标准方程;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd7896bc597eace8244823787047fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a2e93d1cad52d2190c0a39832c477b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
9-10高二下·河北衡水·期末
名校
解题方法
9 . 已知椭圆的两焦点为
,
,离心率
.
(1)求此椭圆的标准方程;
(2)设直线
,若
与此椭圆相交于
两点,且
等于椭圆的短轴长,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539e9ab532b3885ff888da491d1454cd.png)
(1)求此椭圆的标准方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-19更新
|
296次组卷
|
10卷引用:2010年河北省衡水中学高二第二学期期末数学(文)试题
(已下线)2010年河北省衡水中学高二第二学期期末数学(文)试题(已下线)2011年湖南省长沙市铁路一中高二上学期期末检测数学文卷(已下线)2011-2012学年浙江省温州八校高二上学期期末联考文科数学试卷云南省昆明第一中学2018-2019学年高二上学期期末考试数学福建省泉州市永春一中2018-2019学年高二上学期期末数学(文)试题江苏省扬州市第一中学2020-2021学年高二上学期教学质量调研评(2)数学试题内蒙古赤峰二中2021-2022学年高二上学期第一次月考数学(文)试题云南省昆明师范专科学校附属中学2022-2023学年高二上学期期中考试数学试题(已下线)2011届大理云龙一中高三第一次摸拟考试理科数学卷2015届内蒙古一机一中高三12月月考文科数学试卷
10 . 已知椭圆
,过左焦点
且斜率大于0的直线
交
于
两点,
的中点为
的垂直平分线交x轴于点
.
(1)若点
纵坐标为
,求直线
的方程;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2c2c7a8f822a339a40fb724c3be2b1.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a653e9ddb3812797cfe2d0f5005350.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce8f887360a533f0a25b0b34fb11f0a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5fbd371b390cb6b9142f3cf5b36b5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e1441a49e782ff0ef46e776cde06a.png)
您最近一年使用:0次
2020-03-15更新
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588次组卷
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3卷引用:福建省厦门市2019-2020学年度高二上学期期末质量检测数学试题