名校
解题方法
1 . 在平面直角坐标系中,
,直线
,动点
在直线
上,过点
作直线
的垂线,与线段
的中垂线交于点
.
(1)求点
的轨迹
的方程;
(2)经过曲线
上一点
作一条倾斜角为
的直线
,与曲线
交于两个不同的点Q,R,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d449bce9cc0a12d40b5bde32547973c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)经过曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939944c58f94bc4e70816283640b8f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d1d44220b1e882d5c0023f94ed3743.png)
您最近一年使用:0次
2024-04-15更新
|
855次组卷
|
3卷引用:江西省八所重点中学2024届高三下学期4月联考数学试卷
解题方法
2 . 已知定点
,动点
在直线
上,过点
作
的垂线,该垂线与
的垂直平分线交于点
,记点
的轨迹为曲线
.
(1)求
的方程;
(2)已知点
,动点
在
上,满足
,且
与
轴不垂直.请从①
在
上;②
三点共线;③
中选取两个作为条件,证明另外一个成立.
注:如果选择不同的组合分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4180dae966f648d368a10edf3b7e3c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360496a4f5cc8a5faca5e089ae4f9531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f313cc009af0ff2683d24b351fefb1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b96d93615b03284ada76153c394a49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8adec9e68e72eb5e377087ed7204a2e4.png)
注:如果选择不同的组合分别解答,按第一个解答计分.
您最近一年使用:0次
解题方法
3 . 设F为抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee311163772e207b1e052c33593b1913.png)
的焦点,点P在H上,点
,若
.
(1)求
的方程;
(2)过点F作直线l交H于A、B两点,过点B作x轴的平行线与H的准线交于点C,过点A作直线CF的垂线与H的另一交点为D,直线CB与AD交于点G,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee311163772e207b1e052c33593b1913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4515976976bf08267a108c22c60066f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae80267a4a351e9d8438fea3de1dd168.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(2)过点F作直线l交H于A、B两点,过点B作x轴的平行线与H的准线交于点C,过点A作直线CF的垂线与H的另一交点为D,直线CB与AD交于点G,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09950ea7505f210caee1e230cf97249.png)
您最近一年使用:0次
名校
解题方法
4 . 下列命题为真命题的是( )
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-04-12更新
|
929次组卷
|
3卷引用:甘肃省定西市2023-2024学年高三下学期教学质量统一检测数学试题
2024·全国·模拟预测
5 . 已知
为坐标原点,抛物线
上一点
到其准线的距离为3.
(1)求抛物线
的标准方程;
(2)设直线
,点
是
与
轴的交点,过点
作与
平行的直线
,过点
的动直线
与抛物线
相交于
两点(不与原点
重合),直线
分别交直线
于点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9061f48456b9ade94364ab4889787ba0.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9385f98500602c954d1ba4e42d9ae30e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23418075bc5e575a773ab361010cd7a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b485b62d004d52fb31d6ed99ccb7669.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
6 . 在平面直角坐标系
中,已知圆心为点
的动圆恒过点
,且与直线
相切,设动圆的圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过
轴上点
的直线
与
相切于点
,过
且垂直于
的直线交
于
两点,
为线段
的中点,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12afb7d94cc8c3aa927930fc328839c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](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/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/dad2a36927223bd70f426ba06aea4b45.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/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.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
7 . 设F为抛物线H:
的焦点,点P在H上,点
,若
.
(1)求H的方程;
(2)过点F作直线l交H于A、B两点,直线AO(O为坐标原点)与H的准线交于点C,过点A作直线CF的垂线与H的另一交点为D,直线CB与AD交于点G,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4515976976bf08267a108c22c60066f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae80267a4a351e9d8438fea3de1dd168.png)
(1)求H的方程;
(2)过点F作直线l交H于A、B两点,直线AO(O为坐标原点)与H的准线交于点C,过点A作直线CF的垂线与H的另一交点为D,直线CB与AD交于点G,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0e8917e68de842d6792e7b53eb88cb.png)
您最近一年使用:0次
2024-04-10更新
|
510次组卷
|
3卷引用:四川省泸州市2024届高三第二次教学质量诊断性考试数学(理科)试题
四川省泸州市2024届高三第二次教学质量诊断性考试数学(理科)试题(已下线)专题 7 面积最值 坐标思想(高考试题一题多解)四川省绵阳市三台中学校2024届高三下学期三诊模拟考试(第三学月月考)文科数学试题
名校
8 . 已知抛物线
的焦点
到准线
的距离为6.
(1)求抛物线
的方程;
(2)已知点
,
是
上的两点,
是抛物线
上一动点,原点到直线PA,PB的距离均为3,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ba379e55fcf7ceee03de7d43001eeb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8e73eb063f711a944a9843bdd55ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1858507c21102b33fadc14d42aa38441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2024-04-10更新
|
301次组卷
|
3卷引用:江西省赣州市十八县(市)二十四校2023-2024学年高二下学期期中考试数学试题
名校
解题方法
9 . 已知抛物线
,O是坐标原点,过
的直线与E相交于A,B两点,满足
.
(1)求抛物线E的方程;
(2)若
在抛物线E上,过
的直线交抛物线E于M,N两点,直线
,
的斜率都存在,分别记为
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c42d88e496a17562d25195301e0ac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
(1)求抛物线E的方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18c261201283d56c071c1c8133dc20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b72de4221a7de45fad497d0bb7ac1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.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/6b881044b5c73db6fcce110525741b02.png)
您最近一年使用:0次
2024-04-10更新
|
1054次组卷
|
3卷引用:重庆市巴蜀中学校2024届高三下学期高考适应性月考卷(八)数学试卷
2024·全国·模拟预测
解题方法
10 . 已知,点
分别是抛物线
的焦点与曲线上一动点,点
在抛物线上方,且
的周长最小值为
.
的方程;
(2)点
是抛物线上的动点,点
是点
处抛物线切线的交点,若
的面积等于32,线段
为圆
的直径,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d945b17623cd01fa90180c4d4fca91f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b1a27a8413f67d9f97785d9889e4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ebfee8d3fd5d0c4d3b20012e232f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9374cdec65a41dc616f6f099551880d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c8a7fc100c019e54242d3c323aba8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e265ce107592c375b78007107a9c00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99e568a7823999b05efcf80dc83be2b.png)
您最近一年使用:0次