解题方法
1 . 已知点
、
,若直线
的图像上存在点
,使得
成立,则说直线
是“
型直线”.给出下列直线:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
(常数
)
其中代表“
型直线”的序号是___________ .(要求写出所有
型直线的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3494eb3ec23fcf95fa1c0e5918003005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed179a90c1a61e30924c515c7d643618.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/653c7e2b9f64640ee9c726b83168af38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e888bfa9e305a4f5b1fe3f9f3c95f9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78a71ac319a0f43b18935a69baea772.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385cd2fe95ca8875c9bbbb77a9fb7cc6.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e21969406528324b1f2dc66aa12e4a0.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060d307ec3581829bca15474d4490ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
其中代表“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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2 . 已知等差数列
中,若
,则等式
恒成立;运用类比思想方法,可知在等比数列
中,若
,则与此相应的等式_________________ 恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c6e0c2d16cda7e8b2b8c588adeb8ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703ddf1aac7d617eb15876b3a10b6374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75228d6c2688c60eac21d5123cfb32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87888c666bdeb939587d80b3f38902c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91db25ca4c916f5d902548db5504a937.png)
您最近一年使用:0次
名校
3 . 过点
作直线
与圆
:
相切,则直线
的一般式方程是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febd01c1637d6eb08c58df4344b79e58.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/097afc5f9c3600d3efeebb5dc841b596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2020-02-29更新
|
377次组卷
|
3卷引用:上海市黄浦区2019-2020学年高二上学期期终调研测试数学试题
上海市黄浦区2019-2020学年高二上学期期终调研测试数学试题上海市大同中学2022-2023学年高二下学期期中数学试题(已下线)专题5.5 期末考前必做30题(填空题提升版)-2020-2021学年高二数学下学期期末专项复习(沪教版)
4 . 已知数列
(
)满足
,且
,则通项公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ace27d1062e3d40b0e667dbbd43e34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
5 . 已知直线
经过
、
两点,则直线
的一个法向量是__________ (答案不唯一).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae5e29b0ab5d2e3deeec022c9f9d238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071db3989cd0f9f4f32fa22b27676172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
6 . 已知直线
:
、
:
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575e34aa3e23810fd5d847eecd43d1ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e6863211b2f1eaf92e399abb310077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2020-02-29更新
|
225次组卷
|
3卷引用:上海市黄浦区2019-2020学年高二上学期期终调研测试数学试题
上海市黄浦区2019-2020学年高二上学期期终调研测试数学试题新课练17 直线的方程-2020年【衔接教材·暑假作业】新高二数学(2019人教版)(已下线)专题2.1 坐标平面上的直线【章节复习专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)
7 . 已知向量
、
,则向量
在向量
方向上的投影的数值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a547b1329011f3611559330beb980df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b866ee9e5002d9b2475f79b2577cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1124e9c95acf582c08b9bbd6eea2b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e142c5996d8e386bd8b41c0de8415d.png)
您最近一年使用:0次
解题方法
8 . 已知直线
:
经过圆
:
的圆心,则直线
的倾斜角的大小是__________ (结果用反三角函数值表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a58c487a79d4636a3289555043e908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f72bb4787aa27aaab775773256a6b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
9 . 已知点
、
,则向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7034a07cf911e981d9f472974113b96d.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673d0b92b0af4e1e723cd8750c714128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f5ca2547f0ce989b43d56ac68b998d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7034a07cf911e981d9f472974113b96d.png)
您最近一年使用:0次
2020-02-29更新
|
170次组卷
|
2卷引用:上海市黄浦区2019-2020学年高二上学期期终调研测试数学试题
10 . 计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673a6164c4ff882fd5c3f41f80cda225.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673a6164c4ff882fd5c3f41f80cda225.png)
您最近一年使用:0次