名校
1 . 下列实数
的取值范围中,为方程
表示焦点在
轴上的椭圆的一个充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a545a54be95e97bf8461889d8c810eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知命题
:
,命题
:
,若
是
的充分不必要条件,则实数
的取值范围是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0e6bf3a2ad91a6f8bf59442d93ea91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知命题
,
,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/7a4fb5d58c6239c4e504d5434a35d2f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c2a626e5ed8bd5da272a0ea492e44b.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)
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2021-01-05更新
|
183次组卷
|
3卷引用:广东省深圳市菁华学校2020-2021学年高二上学期12月月考数学试题
名校
4 . 已知命题
;命题
.
(1)若
是
的充分条件,求实数
的取值范围;
(2)若
,“
或
”为真命题,“
且
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b398ec06d80c68b958965e1e9e3eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c62b4ae1ee22b8a67a55ca9930d6b5.png)
(1)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/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
5 . 设命题
:实数
满足
,
;命题
:实数
满足
.
(1)若
,
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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2f22510a9dc1795b245e50de02f050.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-01-02更新
|
462次组卷
|
2卷引用:河北省易县中学2020-2021学年高二上学期12月月考数学试题
解题方法
6 . 已知集合
方程
表示圆
:非空集合
方程
(其中
为常数)表示焦点在
轴上的椭圆
.
(Ⅰ)求集合A;
(Ⅱ)从下面①②③三个条件中选择一个填入下面空缺的横线上,然后解答下面的问题:是否存在实数a,使得
是
的________?若存在求出a的取值范围.若不存在说明理由.①充分不必要条件;②必要不充分条件;③充要条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff65fbcbe74dff0e41eecf44ff6e549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adad790635f46174ea929af7d1c5a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1e3effad49f2f1168d1189e5a066df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7984ea19f798278299d8555a2fbd6963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
(Ⅰ)求集合A;
(Ⅱ)从下面①②③三个条件中选择一个填入下面空缺的横线上,然后解答下面的问题:是否存在实数a,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0ac8b620b5eca9daa7276712935ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22111b1f07e7873e5a156d1937eaac27.png)
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2021-01-02更新
|
151次组卷
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2卷引用:湖北省智学联盟2020-2021学年高二上学期12月联考数学试题
7 . 设
,若“
”是“
”的充分不必要条件,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20df4a0f48e06f68c242561bebed24ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-01-01更新
|
596次组卷
|
4卷引用:单元卷 常用逻辑用语(提高卷)-2020-2021学年高二数学课时同步练(苏教版选修1-1)
(已下线)单元卷 常用逻辑用语(提高卷)-2020-2021学年高二数学课时同步练(苏教版选修1-1)山西省吕梁市兴县、岚县2020-2021学年高一上学期期中数学试题(已下线)第1章 常用逻辑用语(提高卷)-2020-2021学年高二数学课时同步练(苏教版选修2-1)(已下线)1.4 充分条件与必要条件-2021-2022学年高一数学同步教与学全指导(学习导航+教学过程+课时训练)(人教A版2019必修第一册)
名校
8 . 已知集合
,集合
.
(1)当
时,求实数a的值;
(2)若命题
,命题
且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/cee66abc1db4bd9f7f81e98af1b848b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7687c2a5f36c3e54bf3f9324e4a51764.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
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9 . 设p:实数x满足x2﹣4ax+3a2<0;q:实数x满足|x﹣3|<1.
(1)若¬q为假,求实数x的取值范围;
(2)若a>0且q是p的充分不必要条件,求实数a的取值范围.
(1)若¬q为假,求实数x的取值范围;
(2)若a>0且q是p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
解题方法
10 . 已知函数
.
(1)求
的最值;
(2)若
的极小值点为
,记集合
,
,若“
”为“
”的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadbb664c276a063b287f104df7955d0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3643dfc78c783e44e9a7cb2edaff022c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9846cba9ef1532393f370f918d45ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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