名校
1 . 在平面直角坐标系中,点
,点P在x轴上
(1)若
,求点P的坐标:
(2)若
的面积为10,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb46de0b4342f71da7c22e5394ef023e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9e5f1cfea3643c30c21732073a11ef.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
您最近一年使用:0次
2019-09-30更新
|
615次组卷
|
4卷引用:吉林省长春市东北师大附中2018-2019学年高一(下)期末数学试题
名校
2 . 已知三角形的三个顶点
,
,
.
(1)求线段
的中线所在直线方程;
(2)求
边上的高所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b7b9ddb12d612277c41f9a99d7046a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62dfe60e2f098c466a048b982151365.png)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2019-08-03更新
|
2400次组卷
|
7卷引用:吉林省实验中学2018-2019学年高一下学期期末考试数学(理)试题
名校
3 . 已知圆
经过
两点,且圆心
在
轴上.
(1)求圆
的方程;
(2)若直线
,且
截
轴所得纵截距为5,求直线
截圆
所得线段
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1c8af418a0ed71cc9c82992b277433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd00a483e29fda452718d2f2d056ddc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0d46da745fa5e71ea97e7b30beb6fb.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2019-07-15更新
|
682次组卷
|
3卷引用:江西省高安中学2018-2019学年高一下学期期末考试数学(文)试题
4 . 已知圆
:
和点
,
,
,
.
(1)若点
是圆
上任意一点,求
;
(2)过圆
上任意一点
与点
的直线,交圆
于另一点
,连接
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002360a6c8354d8c8c83eee93d875270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134fc3507b06c25a6cdf06b7ae11f055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7ef0aa248a1b1fa43fe79e01c0b91d.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a76f054d5243832de5156e24cdf0525.png)
(2)过圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dafebaaf13781120dc57c277d0267c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5039702933c6732218dbdcda82e59c1.png)
您最近一年使用:0次
2019-07-06更新
|
1822次组卷
|
2卷引用:2019年广东省广州市海珠区高一下学期期末考试数学试题
5 . 已知椭圆C:
过点
,其左右焦点分别为
,
,三角形
的面积为
.
Ⅰ
求椭圆C的方程;
Ⅱ
已知A,B是椭圆C上的两个动点且不与坐标原点O共线,若
的角平分线总垂直于x轴,求证:直线AB与两坐标轴围成的三角形一定是等腰三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00df4f17848c072b51e80d427d486e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e15e83c607c1c733d34df1f52e40d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775ab52cdcbfb7349582b9530986593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3f8c3ba00c59e0634ed10fa85289de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20592db1026476ba6b2ab0ee9c3b08b.png)
您最近一年使用:0次
2019-04-03更新
|
405次组卷
|
4卷引用:江西省新余市2018-2019学年高二下学期期末质量检测数学(理)试题
名校
6 . 已知点
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcf82d01c39fd2c96e1edba0ad37dd6.png)
(1)求直线
的斜率和
的中点
的坐标;
(2)若圆
经过
两点,且圆心在直线
上,求圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56339a78e814bc0cb8f45cb2e23515bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcf82d01c39fd2c96e1edba0ad37dd6.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87ce39e2b89d40e02d578db34ecdefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2019-02-05更新
|
2397次组卷
|
3卷引用:【校级联考】广西贺州市非示范性高中2018-2019学年高一上学期期末考试数学试题
7 . 已知直线
与抛物线
交于
,
两点,且
的准线与
轴交于点
.
(1)证明:
;
(2)直线
,
的斜率分别记为
,
,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba028c08c384ea58f685f68ea9e5814a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6ff82ebdfad5e7de1c7487b0b817a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a53e311ee0b5085e7e5a45c606daa5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f041a6e34de49aaf70ac9159553fda3.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.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/f3f0177236b8a8ba08499fe494352c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-01-01更新
|
364次组卷
|
5卷引用:云南省楚雄州元谋县一中2018-2019学年上学期高三期末监测试卷数学文科试题
8 . 已知
为椭圆
的右焦点,点
在
上,且
轴.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/511d3ab1-abe7-45ee-9de7-56af51dd98df.png?resizew=171)
(1)求
的方程
(2)过
的直线
交
于
两点,交直线
于点
.证明:直线
的斜率成等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5f4493abd2b69f83eae0362c509f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b1da9046b4cb82135a4a1eaa528c53.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/511d3ab1-abe7-45ee-9de7-56af51dd98df.png?resizew=171)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77f8d0c1396be699ccacac8bcc56724.png)
您最近一年使用:0次
名校
9 . 已知
的点
,
,
.
判断
的形状;
设D,E分别为AB,AC的中点,求直线DE的斜率;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1f1caceb5040487888386ed75c5658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b70548aa6a20e7ba110c1dbb9d1059a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed6c716d426b44d84b0dc0d6a1a9b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
您最近一年使用:0次
2018-12-20更新
|
1071次组卷
|
7卷引用:西藏林芝市第二高级中学2019-2020学年高一上学期期末数学试题
西藏林芝市第二高级中学2019-2020学年高一上学期期末数学试题甘肃省临夏州临夏中学2018-2019学年高一上学期期末数学(特长班)试题【市级联考】安徽省黄山市2018-2019学年高二上学期期中考试数学(文)试题甘肃省天水市麦积区2022-2023学年高二上学期期末数学试题苏教版(2019) 选修第一册 一蹴而就 第1章 1.3 两条直线的平行与垂直湘教版(2019) 选修第一册 突围者 第2章 第三节 课时1 两条直线平行与垂直的判定(已下线)第13讲 两条直线平行和垂直的判定3种常见考法归类-【暑假自学课】2023年新高二数学暑假精品课(人教A版2019选择性必修第一册)
名校
10 . 已知
为椭圆
的右焦点,点
在
上,且
轴.
(1)求
的方程;
(2)过
的直线
交
于
两点,交直线
于点
.判定直线
的斜率是否依次构成等差数列?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b337c32bd5408c0ed8a9ee9cde4cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b1da9046b4cb82135a4a1eaa528c53.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224d30ca84f1aeeeda7a718e751a4925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac10ce10a7815a0baefdf4e03b11ff1.png)
您最近一年使用:0次
2018-12-05更新
|
1804次组卷
|
7卷引用:【市级联考】甘肃省张掖市2019届高三上学期第一次联考数学(理)试题