名校
1 . 设命题
:关于
的方程
有两个不相等的实数根,
:关于
的方程
无实数根.
(1)若
为真,求实数
的取值范围;
(2)若
且
为假,
或
为真,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780a9fa3efc0870200845521fa5e1f59.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-02-06更新
|
308次组卷
|
6卷引用:甘肃省白银市第十中学2020-2021学年高二12月月考数学(文)试题
甘肃省白银市第十中学2020-2021学年高二12月月考数学(文)试题(已下线)试卷09(第1章-3.3 从函数观点看一元二次方程和一元二次不等式)-2021-2022学年高一数学易错题、精典题滚动训练(苏教版2019必修第一册)(已下线)第2章 常用逻辑用语(巩固篇)-2021-2022学年高一数学单元过关卷(苏教版2019必修第一册)(已下线)专题5 1.4 命题与量词 - 2021-2022高一上学期数学新教材配套提升训练(人教B版2019必修第一册)中国人民大学附属中学2023-2024学年高一上学期数学统练(一)试题四川省泸州市泸县第五中学2023-2024学年高一上学期第一学月考试数学试题
2 . 已知
,
.
(1)若
,
为真命题,求实数
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/e235c22cf2609bb3ccc05eb6686209b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f85e055a3f1fb3bf9569e03194927a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
3 . 已知命题
,命题
方程
表示焦点在x轴上的椭圆.
(1)若p为真,求实数m的取值范围;
(2)若
是假命题,
是真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18de2a599f3b05c227342d78e0a90ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3ea49bafbe510c0e2ef747139d1cb6.png)
(1)若p为真,求实数m的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
您最近一年使用:0次
4 . 设命题p:实数x满足
,命题q:实数x满足
.
(1)若
,且
为真,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/e0964b9473b53f3965a662594dab1aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18de06e5be01fa3d76043fc0ad1c0a4c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.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
5 . 已知命题
实数
满足
;命题
实数
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9472f8d1d03ad10940d8f424e16dd6ee.png)
(1)当
时,若
与
都是真命题,求实数
的取值范围;
(2)若
是
的充分条件,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/c2c2c92746cafd426478b7e07d3aaced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9472f8d1d03ad10940d8f424e16dd6ee.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.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/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
名校
6 . 已知命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6b82b3d67a010e78246f8cc93b3466.png)
.
(1)若
为真命题,求实数
的取值范围;
(2)命题
,使得
,当
为假命题且
为真命题时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6b82b3d67a010e78246f8cc93b3466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c649d44fa5afa6de1d3d3f2c5a0cdac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c94927db6ada621646b1c52c918c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab128748e8a677adabd223d5a1344202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d4eed113aa69a7d973c6410bae7ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-01-30更新
|
309次组卷
|
2卷引用:安徽省滁州市定远县育才学校2020-2021学年高二上学期期末数学(理)试题
7 . 已知命题
:
;
:
.
(1)若
,写出命题“若
则
”的逆否命题,并判断真假;
(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/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1aafc0471653025f4fbddda06f0c0a7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](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
8 . 命题p:曲线
表示一个圆;命题q:指数函数
在定义域内为单调递增函数.
(1)若
为假命题,求实数m的取值范围;
(2)若
为真,
为假,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36aa3dc3788c5f84708d8d808b07868a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ef07c15c3cb4276e582c9c30ab28cf.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
您最近一年使用:0次
2021-01-26更新
|
290次组卷
|
5卷引用:四川省资阳市2020-2021学年高二上学期期末数学理科试题
四川省资阳市2020-2021学年高二上学期期末数学理科试题(已下线)第1章《常用逻辑用语》章节复习巩固提高练-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)(已下线)1.1 命题及其关系提高练-2021-2022学年高二数学同步训练精选新题汇编(人教A版选修2-1)内蒙古自治区赤峰市2022-2023学年高二上学期期末数学文科试题内蒙古自治区赤峰市2022-2023学年高二上学期期末数学理科试题
9 . 已知命题
有两个不等的实根;命题q方程
表示双曲线,若
为假命题,
为真命题,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a2b092e581c96d430ed98c64dd9eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f683958b5d4c11e56969d452e239bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
您最近一年使用:0次
2021-01-26更新
|
142次组卷
|
3卷引用:山西省吕梁市2020-2021学年高二上学期期末数学(文)试题
名校
10 . 已知:条件p:实数t满足使对数
有意义;条件q:实数t满足不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd13dd1c7571a05cf46e9e64e79f5fa.png)
.
(1)已知
,命题:若p,则q,请写出它的否命题,并判断它们的真假;
(2)若p是q的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a5dd85ae1c2556710cf37801f9e4d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd13dd1c7571a05cf46e9e64e79f5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e37708a68d0ca72413ada85d01d2ed19.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)若p是q的充分不必要条件,求实数a的取值范围.
您最近一年使用:0次