名校
1 . 已知抛物线
的焦点为
,
是抛物线
上一点,且满足
.
(1)求抛物线
的方程;
(2)已知斜率为2的直线
与抛物线
交于
,
两点,若
,
,
成等差数列,求该数列的公差.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a21beb3c88e85fd5891d3a98fdd9ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/0d67a677e51e51d2b7956e65c9d36dbb.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知斜率为2的直线
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56da87db845e3380ff139e71cf3a9a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4ed6579a418b71a073edc9a320332a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ac3ec6170bee3cace533735edcd6de.png)
您最近一年使用:0次
2021-05-09更新
|
526次组卷
|
4卷引用:甘肃省张掖市临泽县第一中学2021-2022学年高二下学期期中考试数学(文)试题
解题方法
2 . 已知椭圆
:
过点
,短轴长为
.
(1)求椭圆
的标准方程;
(2)过点
的直线
(直线
不与
轴垂直)与椭圆
交于不同的两点
,
,且
为坐标原点.求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ca02f2549acffefc06eb0d442b5f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
![](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/81dea63b8ce3e51adf66cf7b9982a248.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
您最近一年使用:0次
2021-05-09更新
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527次组卷
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4卷引用:甘肃省金昌市2021届高三第二次联考理科数学试题
甘肃省金昌市2021届高三第二次联考理科数学试题广西来宾、玉林、梧州等2021届高三4月模拟联考数学(理)试题广西来宾、玉林、梧州等2021届高三4月模拟联考数学(文)试题(已下线)第4讲 圆锥曲线中的最值、范围、存在性问题(练)-2022年高考数学二轮复习讲练测(新教材·新高考地区专用)
3 . 已知
是离心率为
的椭圆
外一点,经过点
的光线被
轴反射后,所有反射光线所在直线中只有一条与椭圆相切,则此条切线的斜率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f7eac71854409770d8b2e1895f7c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知抛物线
及点
.
(1)以抛物线焦点
为圆心,
为半径作圆,求圆
与抛物线交点的横坐标;
(2)
、
是抛物线上不同的两点,且直线
与
轴不垂直,弦
的垂直平分线恰好经过点
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af74113f38fffeed8075e57d7f9d2533.png)
(1)以抛物线焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8001690c7c6ab071634115beaf2a6d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ef678f7c0c439a1ddb824f9c2a2ab9.png)
您最近一年使用:0次
2021-03-21更新
|
506次组卷
|
2卷引用:甘肃省兰州市2020-2021学年高三下学期诊断试题数学(理科)试题
名校
解题方法
5 . 在平面直角坐标系中,已知圆心为点Q的动圆恒过点
,且与直线
相切,设动圆的圆心 Q的轨迹为曲线
.
(Ⅰ)求曲线
的方程;
(Ⅱ)过点F的两条直线
、
与曲线
相交于A、 B、C、D四点,且M、N分别为
、
的中点.设
与
的斜率依次为
、
,若
,求证:直线 MN恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(Ⅱ)过点F的两条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f56730077a24891460edca8b92e04b.png)
您最近一年使用:0次
2021-01-10更新
|
2839次组卷
|
8卷引用:甘肃省民勤县第一中学2021-2022学年高二上学期第二次月考数学(文)试题
甘肃省民勤县第一中学2021-2022学年高二上学期第二次月考数学(文)试题湖南省株洲市2020-2021学年高三上学期第一次教学质量统一检测数学试题(已下线)重难点 04 解析几何-2021年高考数学(理)【热点·重点·难点】专练宁夏银川一中2021届高三第六次月考数学(理)试题(已下线)文科数学-学科网2021年高三3月大联考考后强化卷(新课标Ⅲ卷)(已下线)专题21 抛物线综合-2020年高考数学母题题源全揭秘(浙江专版)江苏省盐城市滨海中学2021届高三下学期一模模拟数学试题四川省资阳市安岳县安岳中学2020-2021学年下学期高二数学(理)开学考试试卷(试点班)
名校
6 . 已知
为坐标原点,
,
分别是双曲线
的左、右顶点,
是双曲线
上不同于
,
的动点,直线
,
分别与
轴交于点
,
,则
( )
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f1bd3fc737788a0a42bfa4095e8457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/f7680d89376bb61d445f3622453755b3.png)
A.16 | B.9 | C.4 | D.3 |
您最近一年使用:0次
2020-10-24更新
|
952次组卷
|
6卷引用:甘肃省民乐县第一中学2021届高三5月第二次月考数学(文)试题
甘肃省民乐县第一中学2021届高三5月第二次月考数学(文)试题浙江省金华市东阳中学2021届高三(上)第二次暑期检测数学试题(已下线)考点41 直线与圆锥曲线的位置关系-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点39 直线与圆锥曲线的位置关系-备战2021年高考数学(文)一轮复习考点一遍过(已下线)第十单元 计数原理(B卷 滚动提升检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)第38练 双曲线-2021年高考数学(文)一轮复习小题必刷
名校
解题方法
7 . 已知点
为椭圆C:
上一点,且直线
过椭圆C的一个焦点.
(1)求椭圆C的方程.
(2)不经过点
的直线l与椭圆C相交于A,B两点,记直线
的斜率分别为
,若
,直线l是否过定点?若过定点,求出该定点坐标;若不过定点,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22840186db0afc0e2b2e8915ce79b998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0accaaa66de4dfd9ed8257fa942c2cff.png)
(1)求椭圆C的方程.
(2)不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22840186db0afc0e2b2e8915ce79b998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaebaf8ceed245eba896f36d8ff14b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d53e4863069524d310699691da364dd.png)
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2020-10-24更新
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10卷引用:甘肃省白银市第十中学2020-2021学年高二12月月考数学(理)试题
甘肃省白银市第十中学2020-2021学年高二12月月考数学(理)试题甘肃省白银市第十中学2020-2021学年高二12月月考数学(文)试题湖南省湘潭市2020-2021学年高三上学期第一次模拟数学(理)试题(已下线)调研测试三(A卷 基础过关检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)专题22 圆锥曲线综合——2020年高考数学母题题源解密(山东专版)(已下线)专题22 圆锥曲线综合——2020年高考数学母题题源解密(海南专版)陕西省宝鸡市陈仓区2021届高三下学期第一次质量检测理科数学试题2023版 湘教版(2019) 选修第一册 过关斩将 第3章 3.1.2 椭圆的简单几何性质山东省青岛市青岛第十七中学2020-2021学年高二上学期期中数学试题山东省青岛市青岛第十七中学2022-2023学年高二上学期期中数学试题
名校
8 . 已知椭圆
的离心率为
,且过点
.
![](https://img.xkw.com/dksih/QBM/2020/11/13/2591932910051328/2592815758393344/STEM/01fe537cb82e4ce18411909f4fff6f5d.png?resizew=261)
(1)求椭圆
的方程;
(2)过点
作两直线
与
分别交椭圆
于
、
两点,若直线
与
的斜率互为相反数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://img.xkw.com/dksih/QBM/2020/11/13/2591932910051328/2592815758393344/STEM/01fe537cb82e4ce18411909f4fff6f5d.png?resizew=261)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2020-11-14更新
|
544次组卷
|
5卷引用:甘肃省平凉市庄浪县第一中学2021届高三上学期第四次模拟数学(理)试题
名校
解题方法
9 . 已知离心率为
的椭圆
过点
.
(1)求椭圆
的方程;
(2)过点
作斜率为2直线
与椭圆相交于
,
两点,求
的长;
(3)过点
的直线
与椭圆相交于
,
两点,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9b4a5f5334c153ddbefc763d8939ef.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.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/aaff41080fdea43eea7efedf9ebc1498.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.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)
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2020-11-07更新
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953次组卷
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2卷引用:甘肃省武威第六中学2020-2021学年高二上学期第二次段考数学(理科)试题
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10 . 已知双曲线C:
的右焦点为F,左顶点为A,过F作C的一条渐近线的垂线,垂足为M,若
,则C的离心率为__________ .
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2020-11-05更新
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930次组卷
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5卷引用:甘肃省白银市第十中学2020-2021学年高二12月月考数学(理)试题