名校
解题方法
1 . 从标有1,2,3,…,10的10张卡片中,有放回地抽取两张,依次得到数字
,
,记点
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87859748d7c7d665df7d430856bae01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2024-02-14更新
|
1059次组卷
|
2卷引用:河北省石家庄市第二中学2024届高三上学期第一次模拟测试数学试题
名校
解题方法
2 . 双曲线
:
的离心率
,H的两条渐近线分别记为
,
,其中
经过第一,三象限,P是H右支上一个动点,过P作直线
交
于
,交
于
;过P再作
交
于
,交
于
,记P与坐标原点O连线的斜率为
.则下列说法中,正确 的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59f8afa4c99e0fc6210cf98646f0ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f592d9cfc42f5c53d11bffbc775cb449.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075305b7f328d88a8a6486fa96b2522f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44847d2db15694fc2c2f7b8cb539cfac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023037c7a3e31ba698c39f9b52db2515.png)
A.若![]() ![]() ![]() ![]() ![]() |
B.设P的纵坐标为![]() ![]() ![]() ![]() |
C.在P变化的过程中,恒有![]() |
D.若![]() ![]() |
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3 . 已知向量
,
,
,下列命题成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d465ada275e217241c0dba5f18f00f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5ec7cf66322ded24dc14e87ea387b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa695588ffd9e7b3ed97761ff8e19bf.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.设![]() ![]() ![]() ![]() |
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2023-04-13更新
|
818次组卷
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4卷引用:河北省唐山市2023届高三二模数学试题
名校
4 . 如图所示,在边长为3的等边三角形
中,
,且点
在以
的中点
为圆心,
为半径的半圆上,若
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/90c7201a-a46d-444c-aaba-96a943e3005b.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81889370d45239939a36de53c4445d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95d146bdcc8ac0a256c12696e9b9826.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/27/90c7201a-a46d-444c-aaba-96a943e3005b.png?resizew=142)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2023-02-22更新
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552次组卷
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3卷引用:河北省石家庄市二南2022-2023学年高一下学期第一次月考数学试题
5 . 已知O为坐标原点,F为抛物线
的焦点,C的准线与x轴的交点为
,过F的直线l与C交于A,B两点,与C的准线交于点E,直线l的倾斜角
,且点A在第一象限,下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ff329f3b12cf5678e99941e7188621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480888079e87df2b1c0734114a594d3e.png)
A.![]() | B.![]() |
C.若F为AE的中点,则![]() | D.若B为AE的中点,则![]() |
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2023-04-21更新
|
507次组卷
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2卷引用:河北省承德市2023届高三下学期4月高考模拟数学试题
名校
解题方法
6 . 中国象棋是中国发明的一种古老的棋类游戏,大约有两千年的历史,是中华文明非物质文化的经典产物.如图,棋盘由边长为1的正方形方格组成,已知“帅”“炮”“马”“兵”分别位于
四点,“马”每步只能走“日”字,图中的“马”走动一步到达点
,则
的值可能为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/3/819b00b0-37cd-4c3c-9b11-12be58407572.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/806ee02b9fc723e3f84ffa51f5c4cd84.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/3/819b00b0-37cd-4c3c-9b11-12be58407572.png?resizew=175)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-07-02更新
|
1018次组卷
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6卷引用:河北省保定市2021-2022学年高一下学期期末数学试题
河北省保定市2021-2022学年高一下学期期末数学试题(已下线)第10讲:第五章 平面向量及解三角形(测)(基础拿分卷)黑龙江省哈尔滨市第一二二中学校2022-2023学年高三上学期10月月考数学试题(已下线)9.3.1 平面向量基本定理2宁夏银川市贺兰县第一中学2022-2023学年高一下学期第一阶段性考试数学试题(A)(已下线)模块二 专题2《向量的数量积与三角恒等变换》单元检测篇 A基础卷(人教B)
7 . 已知抛物线
:
的焦点为
,直线
(
且
)交
与
、
两点,直线
、
分别与
的准线交于
、
两点,(
为坐标原点),下列选项错误的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.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)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() |
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2023-09-08更新
|
249次组卷
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4卷引用:河北省唐山市邯郸市等2地2023届高三上学期期末数学试题