解题方法
1 . 如图,抛物线
(
)的焦点为椭圆
的的右焦点,
为椭圆的右顶点,
为坐标原点.过
的直线
交抛物线
于
,
两点,射线
,
分别交椭圆
于
,
两点.
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853474462130176/2865272768954368/STEM/c0628963ffce47f0be0389595bb76431.png?resizew=239)
(1)求抛物线
的方程,并证明
点在以
为直径的圆的内部;
(2)记
,
的面积分别为
,
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c156c3b344e637b4f86404f2711940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d323869f1ee79f8d629fe70d72c538fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853474462130176/2865272768954368/STEM/c0628963ffce47f0be0389595bb76431.png?resizew=239)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcc869125145c0139d92490a41bd3918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4807ca16360c0cca436e59d4be98f626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1062304efa02843fcd70a8864989cdc.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
2 . 已知椭圆C.
(
)与抛物线
(
)共焦点,以椭圆的上下顶点M、N和左右焦点F1、F2所围成的四边形MF1NF2的面积为8,经过F2的直线交抛物线于A、B,交椭圆于C、D,且满足
.
(1)求出椭圆和抛物线的标准方程;
(2)若点D在第三象限,且点A在点B上方,点C在点D上方,当△BF1D面积取得最大值S时,求
的值.
![](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/2f5179dea5472d2dd3a732673f462d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbff4bd35b58d9c10df175a723c999e.png)
(1)求出椭圆和抛物线的标准方程;
(2)若点D在第三象限,且点A在点B上方,点C在点D上方,当△BF1D面积取得最大值S时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d69c060259f65b9dfb8d50d3f57c3d.png)
您最近一年使用:0次
2020-11-19更新
|
1142次组卷
|
3卷引用:八省市2021届高三新高考统一适应性考试江苏省无锡市天一中学考前热身模拟数学试题(二)
八省市2021届高三新高考统一适应性考试江苏省无锡市天一中学考前热身模拟数学试题(二)广西名校2021届高三上学期第一次高考模拟数学理科试题(已下线)对点练61 直线与抛物线的位置关系-2020-2021年新高考高中数学一轮复习对点练
解题方法
3 . 已知抛物线
:
的焦点为
,圆
:
,过
轴上点
且与
轴不垂直的直线
与抛物线
交于
、
两点,
关于
轴的对称点为
,
为坐标原点,连接
交
轴于点
,且点
、
分别是
、
的中点.
(1)求抛物线
的方程;
(2)证明:直线
与圆
相交.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b6b2eb8e0b4e76a24dff7c5f0050e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd7d2a4393c11911571050bf6ae6f1c.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd7d2a4393c11911571050bf6ae6f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
解题方法
4 . 已知直线x=﹣2上有一动点Q,过点Q作直线l,垂直于y轴,动点P在l1上,且满足
(O为坐标原点),记点P的轨迹为C.
(1)求曲线C的方程;
(2)已知定点M(
,0),N(
,0),点A为曲线C上一点,直线AM交曲线C于另一点B,且点A在线段MB上,直线AN交曲线C于另一点D,求△MBD的内切圆半径r的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a550cfe159063e6871496e630fdd9a.png)
(1)求曲线C的方程;
(2)已知定点M(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
您最近一年使用:0次
2019-01-29更新
|
1910次组卷
|
4卷引用:专题19 《圆锥曲线与方程》中的轨迹问题(1)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
(已下线)专题19 《圆锥曲线与方程》中的轨迹问题(1)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 【市级联考】江苏省扬州市2019届高三第一学期期末检测数学试题2020届广东省化州市高三第二次模拟数学(理)试题2020届浙江省杭州市高三下学期4月统测模拟数学试题
名校
5 . 如图,椭圆
:
的左右焦点分别为
,离心率为
,过抛物线
:
焦点
的直线交抛物线于
两点,当
时,
点在
轴上的射影为
,连接
并延长分别交
于
两点,连接
,
与
的面积分别记为
,
,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
.
![](https://img.xkw.com/dksih/QBM/2017/11/27/1826147894640640/1828908422963200/STEM/d1f63ae0-740a-4292-88bd-2dc4b8334776.png?resizew=218)
(1)求椭圆
和抛物线
的方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6030eea19fca43def918c6f947d13be3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79471ad73989243fcf23a6eb1213419c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661d34c657ebb7a5a91230a9d4b1e097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800eca4e8d1c3f4792a1d3aba6f3b481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b811e556ee166e7c871b4594edf454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2783acb59d90b112a4448c605a387962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcad83dcb41490755f26617a14c74c.png)
![](https://img.xkw.com/dksih/QBM/2017/11/27/1826147894640640/1828908422963200/STEM/d1f63ae0-740a-4292-88bd-2dc4b8334776.png?resizew=218)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2017-12-01更新
|
4858次组卷
|
21卷引用:专题08 《圆锥曲线与方程》中的解答题压轴题(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
(已下线)专题08 《圆锥曲线与方程》中的解答题压轴题(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 天津市南开中学2020-2021学年高三上学期第五次月考数学试题江苏省泰州市姜堰二中、市一中2020-2021学年高三上学期学情检测(四)联考数学试题江西省南昌市第二中学2017-2018学年高二上学期期中考数学(理)试题河北省衡水中学2018届高三上学期九模考试数学(理)试题(已下线)2018年高考数学备考中等生百日捷进提升系列(综合提升篇) 专题05 解析几何解答题【全国百强校】河北省衡水中学2018—2019学年高三年级上学期四调考试数学(理)试题安徽省肥东县高级中学2019届高三12月调研考试数学(理)试题黑龙江省鹤岗市第一中学2019-2020学年高三上学期12月月考数学(理)试题(已下线)2020届高三12月第02期(考点08)(理科)-《新题速递·数学》河北省衡水中学2019-2020学年高三下学期第九次调研数学(理)试题2018届湖南省衡阳市第八中学高三(实验班)第一次模拟数学(理)试题天津市第一中学2019-2020学年高三下学期第四次月考数学试题(已下线)专题19 圆锥曲线综合-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题19 圆锥曲线综合-2020年高考数学(文)母题题源解密(全国Ⅱ专版)(已下线)专题18 圆锥曲线(解答题)-2020年高考数学母题题源解密(天津专版)陕西省西安市西北工业大学附属中学2023届高三下学期第八次适应性训练文科数学试题陕西省西安市西北工业大学附属中学2023届高三下学期第八次适应性训练理科数学试题河南省信阳高级中学2024届高三6月月考数学试题河南省信阳高级中学2023届高三下学期高考考前测试文科数学试题广东省汕头市潮阳实验学校2024届高三上学期摸底数学试题