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1 . 已知点
为锐角
的外接圆
上任意一点,
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af2f502e92e09d86ecbbf93777781e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a913886d0ea653a35a26f292b37ec2d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-05-23更新
|
460次组卷
|
2卷引用:山西省三晋名校联盟2023届高三下学期5月高阶段性测试(七)数学试题
2 . 已知
为坐标原点,动点
满足
,记动点
的轨迹为
,设
为轨迹
上的两点,
为直线
上一动点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578b12f739ef7fc54c65b8435b3c16aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb71348d6a5c92702b490925164ced2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.直线![]() ![]() |
B.若直线![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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2023-05-11更新
|
471次组卷
|
3卷引用:山西省三晋名校联盟2023届高三下学期5月高阶段性测试(七)数学试题
山西省三晋名校联盟2023届高三下学期5月高阶段性测试(七)数学试题安徽省安庆市第二中学2023届高三下学期第二次联考数学试卷(已下线)考点09 直线与圆的最值问题 2024届高考数学考点总动员【练】
3 . 如图,已知点O为正六边形ABCDEF的中心,下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/29/7191a57c-8401-4fe7-93bf-346e0ea64470.png?resizew=188)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/29/7191a57c-8401-4fe7-93bf-346e0ea64470.png?resizew=188)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
名校
4 . 已知
是坐标原点,
,点
满足
.
(1)求
;
(2)若
三点能构成三角形,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c18d0de8a5e18bdece40bfcb520b436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052c1b6a4a9bb51e728f417d563ac9ab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac42d5ee4e0c159d50cef0b5c0f511f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7b58d7e559946c4daac28510d8bcec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-05-27更新
|
235次组卷
|
2卷引用:山西省运城市2021~2022学年高一下学期5月阶段性检测数学试题
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5 . 在△ABC中,点D在线段BC的延长线上,且
,点O在线段CD上(与点C,D不重合).若
,则x的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0212b12716f5e88fd79c7f07eb051f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e50a7dc2586a97198ebdf17402e5e5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-03-31更新
|
849次组卷
|
4卷引用:山西省长治市第二中学校2023届高三上学期第四次月考数学试题
山西省长治市第二中学校2023届高三上学期第四次月考数学试题百校大联考2022届高三3月新高考标准卷数学试题(已下线)5.1 平面向量的线性运算及基本定理(精讲)-【一隅三反】2023年高考数学一轮复习(基础版)(新高考地区专用)(已下线)模块三 专题3 小题满分挑战练 (4)(苏教版)
名校
6 . 如图,在
中,
是
的中点,
在边
上,
,
与
交于点
.点
、
、
三点共线,设
.
![](https://img.xkw.com/dksih/QBM/2022/3/27/2945043922214912/2946554852048896/STEM/f84037c8ce76400fb479d08db0fa8d39.png?resizew=181)
(1)设
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833a1317d15bdad58ca21d3934a9a2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45fedffdd8843d74a3fe0ced3e6572b.png)
![](https://img.xkw.com/dksih/QBM/2022/3/27/2945043922214912/2946554852048896/STEM/f84037c8ce76400fb479d08db0fa8d39.png?resizew=181)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59a758ba6096dcf0db1db0027e74235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e575da6ea6d154d69fe1e5f7f9f9638b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea79586df2029edb34c7cb2f67dc3722.png)
您最近一年使用:0次
2022-03-29更新
|
654次组卷
|
2卷引用:山西省怀仁市第一中学校2021-2022学年高一下学期期中数学(理)试题
解题方法
7 . 下列说法不正确的是( )
A.![]() ![]() ![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2021-09-14更新
|
358次组卷
|
2卷引用:山西省晋中市新一双语学校2020-2021学年高一下学期3月月考数学(文)试题
名校
8 . 下列命题正确的是( )
A.![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.任意向量![]() ![]() |
D.若向量![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2021-08-05更新
|
450次组卷
|
3卷引用:山西省运城市康杰中学2021-2022学年高二上学期入学测试数学试题
解题方法
9 . 设点
分别为双曲线
的左、右焦点,点
分别在双曲线
的左,右支上,若
且
,则双曲线
的渐近线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2805f41223e697922c9c52e3dad0b66c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfde70d6674ef06b58c60565ff7bf9bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次