1 . 已知
,命题
;命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ced2ebfafa367bc02ed55980c2efba.png)
(1)若
是真命题,求
的最大值;
(2)若
为真命题,
为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2400bdda134db1b0d0e0fdb21065c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ced2ebfafa367bc02ed55980c2efba.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-09-07更新
|
377次组卷
|
4卷引用:第04讲 全称量词与存在量词(3大考点8种解题方法)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)
(已下线)第04讲 全称量词与存在量词(3大考点8种解题方法)-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)1号卷·A10联盟2022届全国高考第一轮总复习试卷数学(文科)试题(一)四川省仁寿第二中学2022-2023学年高二下学期第二次教学质量检测理科数学试题四川省仁寿第二中学2022-2023学年高二下学期第二次教学质量检测文科数学试题
名校
解题方法
2 . 已知命题
关于
的方程
有两个相异负根;命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
,
.
(1)若命题
为真命题,求实数
的取值范围;
(2)若这两个命题同为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437bceb596deddba816acf6e44e2d2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0371aca5895ff2dc02909dcc2c4406.png)
(1)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若这两个命题同为假命题,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
3 . 已知
:方程
有实根;
:
,使
成立,若
为假命题,
是真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0568307515ea17d6db561ce3a292abc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ae1c35f5334d1a0d0826d794f91d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb3e1d62d0bbb0f74c833119578b7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
4 . 已知命题
,一次函数
的图像在x轴上方;
,二次函数
的图像上有点
在x轴下方,若
都是真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a8a16b88fc0c38f8c61e165b76ec98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5323c21881a8ca7f5f392893e5850cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b39ccd54807c3b444a7715f1cb254ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab54f1d78806a3b62764f146cadf3f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
您最近一年使用:0次
2023-09-05更新
|
246次组卷
|
2卷引用:山东省滕州市第二中学2022-2023学年高一上学期第一次检测数学试题
解题方法
5 . 已知命题
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891dfe63fa00bb930642511bd2621472.png)
(1)若“
”是
成立的充分条件,求实数
的取值范围;
(2)若命题
和
有且只有一个为假,求实数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44bef5e2df41b92f8aa7319710f79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c1c7b34c33a838d0088cfe56b247cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa0583842bff0b9ac0a539656f88099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891dfe63fa00bb930642511bd2621472.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f8d2e33b42786b7a2c2259bfa773fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 已知命题
:
,命题
:
.
(1)当
时,命题
和
中至少有一个为真命题,求
的取值范围;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f1d2722db6687604ed7a4046b4c106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d864ab747514a79d9ff24df0754edc8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-08-17更新
|
907次组卷
|
4卷引用:四川省南充市第一中学2022-2023学年高一上学期11月月考数学试题
四川省南充市第一中学2022-2023学年高一上学期11月月考数学试题宁夏吴忠市盐池中学2024届高三第一次月考数学(文)试题(已下线)模块四 专题5 大题分类练 一元二次函数、方程与不等式 基础夯实练四川省成都市成都市玉林中学2023-2024学年高一上学期10月月考数学试题
解题方法
7 . 设p:实数x满足
(其中
),q:实数x满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7037f0f67cb1a91ea4c64cf8a3cfcf43.png)
(1)若
,且p和q都为真命题,求实数x的取值范围;
(2)若p是q的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebff6619f0334a3494d94c6cacf2f2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7037f0f67cb1a91ea4c64cf8a3cfcf43.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)若p是q的必要不充分条件,求实数a的取值范围.
您最近一年使用:0次
解题方法
8 . 已知命题
,命题
.
(1)若两个命题都是真命题,求实数
的取值范围;
(2)若两个命题只有一个为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7b4e685135c0766983a75fce63705b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69b42ad4affaa460091e929c4b1b0a9.png)
(1)若两个命题都是真命题,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若两个命题只有一个为真命题,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 已知命题①函数
的图象总在
轴上方;命题②关于
的方程
有两个不相等的实数根.
(1)若命题①为真,求
的取值范围;
(2)若命题①、②中至多有一个命题为真,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3f6e5dbdc6fbe44b8434a029f3174c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113d248d660d71c747eb77634b7e7fd1.png)
(1)若命题①为真,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题①、②中至多有一个命题为真,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-08-10更新
|
403次组卷
|
2卷引用:上海市徐汇中学2022-2023学年高一上学期期中数学试题
解题方法
10 . 已知命题
函数
的两个零点均在
上,命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
.
(1)若
是真命题,求实数
的取值范围;
(2)若
是
的必要且不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e24bc3aee198e294581d6d20e9df00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6671fc4307ba5298796a291f52abb295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d91a4cb39340da2782625a9eed8e20.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次