名校
解题方法
1 . 若直线
与圆
相交所得的弦长为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407f0bdc58ca779cae8d767f016aa2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064e9c11811ee060efd00fb37be7114d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2024-03-25更新
|
877次组卷
|
4卷引用:重庆市九龙坡区育才中学校2024届高三下学期阶段测试数学试题
2 . 已知点
是圆
上的动点,则下面说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93e12b8b1c6c7ec759748229f2c475a.png)
A.圆的半径为2 | B.![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知直线
与
平行,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d27b99f5112808cbd83a31aa561a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0347ef336273de4f322e9dbee2ebfa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.1 | B.7 | C.![]() ![]() | D.1或7 |
您最近一年使用:0次
2024-01-19更新
|
361次组卷
|
2卷引用:重庆市九龙坡区2023-2024学年高二上学期教育质量全面监测数学试题
解题方法
4 . 已知直线
与直线
垂直,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb66ef80d2617520eb34e9d607e77b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727f7bc5ec9a0b9d011a7242d7806e50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32c935806559b1a913a7edb3c804999.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知
为圆
上一动点,
,点
为
轴上一动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc0dcd8049dbcd321781d634a80a92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b36a550e44cdbc9322697568862ef6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3be176992c5f430469028c0506cd084.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
7 . 如图.在四棱锥
中,已知底面
为矩形,侧面
是正三角形,面
底面
,
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/14b8f045-1a15-418a-8853-543a766acd78.png?resizew=178)
(1)证明:
;
(2)若
,且二面角
的大小为
,求异面直线
与
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/14b8f045-1a15-418a-8853-543a766acd78.png?resizew=178)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90a52818f1e8b7c27f207abae182a64d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a8e0c5bcf2d86726cd9f561b8ff5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
您最近一年使用:0次
名校
8 . 如图,棱长为1的正方体
中,点E为
的中点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/c1d2ff9e-9b3b-4723-a94a-34d7023ad0a5.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/c1d2ff9e-9b3b-4723-a94a-34d7023ad0a5.png?resizew=165)
A.![]() ![]() |
B.线段![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.过![]() |
您最近一年使用:0次
名校
解题方法
9 . 下列说法正确的是( )
A.“![]() ![]() ![]() |
B.直线![]() ![]() |
C.过![]() ![]() ![]() |
D.经过点![]() ![]() |
您最近一年使用:0次
10 . 已知直线
恒过定点P,则点P关于直线
的对称点的坐标是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d700263e463066ba1ff66c36a62df1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c6d3c99b7004603ba9ea9c341b8b3f.png)
您最近一年使用:0次