1 . 已知下列命题
①函数
的定义域为
;
②函数
与
的图象关于直线
对称;
③若函数
是
上的单调递增函数,则
;
④函数
(其中
)的一部分图象如图所示,则
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/e79ff785-e44c-4268-9fb7-f94255ccb995.png?resizew=111)
其中正确命题的序号为__________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb49d7bae35f02e4a2ede5c14ed1e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac767ee208266e9340d903f82517e98.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ad61cb3ec8b1e57179f3feb625c7c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b5a8d36a2c51143d30ec71ecfc442.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884a566e78bf6a47d901871960c1d000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14fd82a003d2169031a410c5aa7cce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b9b50493db5bace567ec6bda1924cd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/e79ff785-e44c-4268-9fb7-f94255ccb995.png?resizew=111)
其中正确命题的序号为
您最近一年使用:0次
2 . 有下列命题:
①抛物线
的准线方程为
;
②已知直线过两点
,
,则此直线的斜率是
;
③若方程
表示双曲线,则实数
的取值范围是
.
其中正确命题的序号为________ (把正确的答案都填上).
①抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db63cef6d8bbb08137d71c6f7b6e741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
②已知直线过两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedad6bb70631b944c69f8f0b02b35d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
③若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc5494f7d24f95a721555b85c84e8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/127aacea765b09f5110b3176493f0dd2.png)
其中正确命题的序号为
您最近一年使用:0次
名校
解题方法
3 . 有下列五个命题:
①函数
是偶函数;
②函数
的值域为
;
③已知集合
,
,若
,则a的取值集合为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3b7b4642bbff9de52574b5759d95b.png)
④关于x的一元二次方程
的一个根大于1,一个根小于1,则实数m的取值范围是
;
⑤若
的定义域为R,且在
上是增函数,
,且
,则
与
的大小关系是
.
你认为正确命题的序号为:______ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd5cfa1d05b980bacc076827528dc7d.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3ac9347e120e918e4cfac7c231028d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c522f42745129cab20ae11ca3de72e.png)
③已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9e1e23d799232a161911aa6ec19d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b771cacb3d98e1ccf4ce62c62edcef78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3b7b4642bbff9de52574b5759d95b.png)
④关于x的一元二次方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6da4b05ca0a5bc6b5a062d628dc80e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d5505480b11358efcc87cda54627e7.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6027c04510bd896d5106eab149f31b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f046b095637bb51f5bfc291ead8826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808026f1c80fda41d00c093ec2b6b231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1d0d29b98414f79ee9d7b728fbde49.png)
你认为正确命题的序号为:
您最近一年使用:0次
名校
解题方法
4 . 复数
满足
,①
;②
;③复数
的虚部为
;④
是方程
在复数范围内的一个解.则以上四个结论中正确序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5bf0ee9e45490fb6503cc88f58d9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145e6e8cb3f167d16cdeabd3bd17ca12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a369d595329752492349210d55544d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396df1e2e35bf3040082cbb783314e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467354a996bf765789a18542f1beb008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fc19c302085de8a90e2827c32f15e7.png)
您最近一年使用:0次
2022-07-01更新
|
324次组卷
|
2卷引用:天津市西青区2020-2021学年高一下学期期末数学试题
解题方法
5 . 给出下列四个命题:
①若
,则
;
②当
时,
的最小值为4;
③已知
是等差数列
的前
项和,若
,则
;
④过抛物线
焦点
的直线交抛物线于
两点,则
.
其中正确命题的序号为___________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed0d3e6741e0193addff8cf7b25019c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68265211ff8205d5c0ea1b5f7e20521.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/409d37d9465ec42be99d13cfbc0bc6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ced225ea5590e06ece27b77ad3ac74.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28ef6f1b2279af482557a8ea46f2e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a425978da20cebf8c4c63953579e7b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6745b23f90d2e3a2bad6048bc734bb08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47af0fa1a8a597e0d1336a5368f47084.png)
④过抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7b911d5ec34e3ffc72b89285592ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a415f13ef220884d1916203ed4e542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669b5240185e8caf113d2b5fb6a453ae.png)
其中正确命题的序号为
您最近一年使用:0次
6 . 有下列命题:
①函数
的定义域为
;
②不等式
的解集为
,则实数k的取值范围为
;
③函数
是定义在
上的偶函数,当
时,
.则当x<0时,
.
其中正确命题的序号为______ (把正确的答案都填上).
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4f9d8fa95e956e30338023526a50c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9612ee6c787e8f02ce3d3cde6692c4.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6d03dfc5b4ce38e17403b3b49fdc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcd0aebdd8bd688d108834747009f5.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79446191602c1d2f941728ba8591b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e7123d1bc017045dfdb2c3d741bc11.png)
其中正确命题的序号为
您最近一年使用:0次
2023-02-24更新
|
575次组卷
|
2卷引用:天津市七区2022-2023学年高一上学期期末数学试题
7 . 杨辉是中国南宋末年的一位杰出的数学家、数学教育家,他的数学研究与教育工作的重点是在计算技术方面,杨辉三角是杨辉的一大重要研究成果,它的许多性质与组合数的性质有关.如图是一个7阶的杨辉三角.给出下列四个命题:
①记第
行中从左到右的第
个数为
,则数列
的通项公式为
;
②第k行各数的和是
;
③n阶杨辉三角中共有
个数;
④n阶杨辉三角的所有数的和是
.
其中正确命题的序号为______ .
①记第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1718fc2ceec93d59ac17dade3c34f702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762f8d2e29d1a05ff51160e88528acb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a14c188b1c9d61aa237b137ba18023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0336df1a3b093319a5d5ed663c4c035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fc3fe1e10a28f99b75675c695ead23.png)
②第k行各数的和是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98aa5f1acb67ec4580d240c2525e4d5c.png)
③n阶杨辉三角中共有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d975e57d492b793e1d52787536e4452.png)
④n阶杨辉三角的所有数的和是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e971baee172ce9d49eb831bf712aeb5.png)
其中正确命题的序号为
![](https://img.xkw.com/dksih/QBM/2022/2/21/2921398788931584/2958014214758400/STEM/f6e9f20f-169d-4cb8-8c1b-c7e48d15ed6f.png?resizew=464)
您最近一年使用:0次
名校
8 . 给出下列四个命题:
①已知直线
,则该直线的倾斜角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
②抛物线
的准线方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da322ac8867e8a47c6588601078abf18.png)
③在等差数列
中,
,若
的前
项和
有最小值,则使
时最大的自然数n的值为2022
④已知数列
,
若对于任意(
)有
,则实数
取值范围是
,
其中正确命题的序号为______ .
①已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698d7ad4f0b131f8287883ed42f79fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
②抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c084abaf8d0b7a5d23f72b51f7cbcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da322ac8867e8a47c6588601078abf18.png)
③在等差数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b0b91048f4a0aed25fe79b82cf299b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937228faf3b035ce9fb607ec96f707f0.png)
④已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b68116b0f251eced84cde4aff4bd577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32e2f964bb664deba92b0f9ea5f0d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2e3dd29d24da73d27492ac36198889.png)
其中正确命题的序号为
您最近一年使用:0次
名校
9 . 设
,
为不重合的平面,
,
为不重合的直线,则其中正确命题的序号为( )
①
,
,则
;
②
,
,
,则
;
③
,
,
,则
;
④
,
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a4c549e7ea8776ec821c467bc1a913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc01d7aa51bf4f95c4b12ae9dcb7eb4c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
A.①③ | B.②③ | C.②④ | D.③④ |
您最近一年使用:0次
2021-09-11更新
|
1645次组卷
|
7卷引用:天津市四校联考2020-2021学年高一下学期期末数学试题
名校
10 . 已知
,
是不重合的两条直线,
,
为不重合的两个平面,给出下列命题:
①若
,
,则
;
②
且
,则
;
③若
,
,则
.
所有正确命题的序号为______ .
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbfcfc23f7a2df2c91fe75b757c306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d07324ee4dec98ce18a2f37728791b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bbfcfc23f7a2df2c91fe75b757c306.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1e09eb033dab8ef96d1f1c349150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22374b9b90e04bd0e0e34ece26a89f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
所有正确命题的序号为
您最近一年使用:0次
2020-11-02更新
|
683次组卷
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