名校
解题方法
1 . 已知直线
与圆
交于
,
两点,
为坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8e20f99a4c67a3dd6f0787d64b3ba5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb9eb57ca36db386ffafeda213599c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545b79010f9992c67601e7655eda416c.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/a6e3d627f5fbd04271389d503942d233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8e20f99a4c67a3dd6f0787d64b3ba5.png)
您最近一年使用:0次
2 . 函数
(
)经过点
,
图象上距离
轴最近的最高点为
,距离
轴最近的最低点为
,若
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e1a59013f87211094fdce5078bd839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe413b12ffabfb252121aa2eaa31017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea805a29a745227697f6dce0612839b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
3 . 下列命题正确的是( )
A.向量![]() ![]() ![]() ![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() |
D.在平面直角坐标系![]() ![]() ![]() ![]() ![]() |
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名校
解题方法
4 . 已知向量
,
,若
,则实数
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdbd08deeb813eb1dcb970cc6f54c24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eec675ba61b3713f59d5aed56cdae97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9362e5a127e299f0332a04240787bf57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-06-05更新
|
869次组卷
|
3卷引用:辽宁省东北育才学校双语校区2023-2024学年高一下学期期中考试数学试题
名校
解题方法
5 . 扇形
的半径为1,
,点
在弧
上运动,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6da9ea780ba5e54f3be57b4a7bb12b1.png)
A.![]() | B.0 | C.![]() | D.-1 |
您最近一年使用:0次
2024-06-04更新
|
361次组卷
|
2卷引用:辽宁省协作校2023-2024学年高一下学期5月期中考试数学试题
6 . 设点
分别为椭圆
的左、右焦点,点
是椭圆
上任意一点,若使得
成立的点
恰好有4个,则实数
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a9859040e01b972363d182a9e8b68f.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/3e3f19ff9d533161dedf49cf9a921341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.0 | B.2 | C.4 | D.6 |
您最近一年使用:0次
2024-06-04更新
|
518次组卷
|
2卷引用:辽宁省部分高中2023-2024学年高三下学期第三次模拟考试数学试题
7 . 设向量
,
的夹角为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67abf48f97b85195194a5338c72596af.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7958a6bddd1d578bbd6fbcb92e3f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2396cac4b185cf1f1a67dad9248481c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67abf48f97b85195194a5338c72596af.png)
您最近一年使用:0次
名校
8 . 已知
,
,则向量
在向量
方向上的投影向量为________ (用坐标表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc77f4da163cb8800d6a92637912077e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
2024-06-03更新
|
332次组卷
|
2卷引用:辽宁省朝阳市建平县实验中学2023-2024学年高一下学期5月期中考试数学试题
名校
解题方法
9 . 如图,在梯形
中,
分别在线段
上,且线段
与线段
的长度相等,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ddbff2f56ecfd3c1ba30aa99909813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea77ba313fcc751481ac1ca214df3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-05-25更新
|
297次组卷
|
2卷引用:辽宁省抚顺市六校协作体2023-2024学年高一下学期5月联考数学试卷
名校
解题方法
10 . 如图,在梯形
中,
,
分别为边
上的动点,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4ec29276f3fd1add1fcaaaf3ca8388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e5c289b8aabdbfba95c7fd1e1842f4.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
522次组卷
|
4卷引用:辽宁省本溪市县级重点高中协作体2023-2024学年高一下学期期中考试数学试卷
辽宁省本溪市县级重点高中协作体2023-2024学年高一下学期期中考试数学试卷广东省佛山市七校2023-2024学年高一下学期5月联考数学试卷(已下线)专题03 向量的数量积-期末考点大串讲(人教B版2019必修第三册)(已下线)核心考点2 平面向量的数量积 B提升卷 (高一期末考试必考的10大核心考点)