名校
1 . 设命题p:实数x满足x2 -2x+l –m2≤0,其中m>0,命题q:
≥1
(I)若m=2且p
q为真命题,求实数x的取值范围;
(Ⅱ)若
q是
P的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76f92e9341f47f564eaecb8916fee80.png)
(I)若m=2且p
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48364794604ede00a240ea5cc86ddf37.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3514e6eade4b4cb6592511755741880f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3514e6eade4b4cb6592511755741880f.png)
您最近一年使用:0次
2016-12-03更新
|
1039次组卷
|
2卷引用:江西省南昌市进贤县第一中学2019-2020学年高二下学期开学考试数学(文)试题
2 . 给定下列四个命题:
①“
”是“
”的充分不必要条件;
②若
, 则
;
③若三个实数
既是等差数列,又是等比数列,则
;
④若不等式
的解集
则
.
其中为真命题的是_________ .(填上所有正确命题的序号)
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb2170fbf89630f3f3ece1dab5de743.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938b0a18e6addede080096138042e12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d952b0ad649db2c923f7c062afcc84c1.png)
③若三个实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb01fdeccac4c044203683356a5df09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44acc0ee22dc4b7750e8be825e7c1355.png)
④若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae8fff7c98b78992edcd61daf6ea72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cf894db9fd5c3ef5af29a371416b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da693578d4cd0c841fd529fe7ebfe4d.png)
其中为真命题的是
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3 . 已知
,
,若
成立的一个充分不必要条件是
,则实数m的取值范围_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf226c94f6bcfa1ec586137dfad52eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00979776a90b2635e9cffcc3d2d18d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次
4 . 已知
.
(1)若
是
充分不必要条件,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/317c9340f6c02eed77e5f6a9455a3e3d.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/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575feaa04c7836a3743306b6378f9cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cc102a3d288a1e0158e537b1ce5ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-03更新
|
2185次组卷
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2卷引用:2014-2015学年四川省雅安中学高二4月月考文科数学试卷
5 . 若“
”是“
”的充分不必要条件,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b7c2677308481e3cdd5e2ee85f54a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ffad55848d3b67d53acc4c769c261d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
6 . 已知
,
(
).若
是
的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0588c4b36f88767b82a1de92c9064fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b609cf62a25977951b5c0351d5fae4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02475842a0c8318db41c5c38c3af7e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a037d29525d118dc083dc3e5e808ca2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
7 . 若“
”是“
”的充分不必要条件,则
的取值范围为____________ .
![](https://img.xkw.com/dksih/QBM/2015/3/25/1572025155805184/1572025161261056/STEM/47bac047b4ba4aada5b195e690eb4ddf.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2015/3/25/1572025155805184/1572025161261056/STEM/b718c61069f64a81af968d76a85e9daf.png?resizew=99)
![](https://img.xkw.com/dksih/QBM/2015/3/25/1572025155805184/1572025161261056/STEM/26992203a48f4dd993fe622eb3d8f5db.png?resizew=13)
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8 . 已知命题![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93561782677da08e4d844988368a877.png)
(1)当
时,若“p且q”为真命题,求实数
的取值范围;
(2)若非p是非q的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93561782677da08e4d844988368a877.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若非p是非q的充分不必要条件,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 已知:
,
,
,且
是
的充分不必要条件,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/1/6/1571952043646976/1571952049348608/STEM/c9e3f17d60b841a19020334b7e0d25b7.png)
![](https://img.xkw.com/dksih/QBM/2015/1/6/1571952043646976/1571952049348608/STEM/4662eee00f9a40f7a8e6a39593f7a42e.png)
![](https://img.xkw.com/dksih/QBM/2015/1/6/1571952043646976/1571952049348608/STEM/611ba286beb3448ab6273c5cff9cc6be.png)
![](https://img.xkw.com/dksih/QBM/2015/1/6/1571952043646976/1571952049348608/STEM/53ad3b12d75c42a382fcc3997df05b33.png)
![](https://img.xkw.com/dksih/QBM/2015/1/6/1571952043646976/1571952049348608/STEM/c6d51e3347cc4412bb79e6e88bcf0bf6.png)
![](https://img.xkw.com/dksih/QBM/2015/1/6/1571952043646976/1571952049348608/STEM/cac8fbe360534965a40e494977e6fe43.png)
您最近一年使用:0次
14-15高三上·河北唐山·阶段练习
名校
10 . 已知条件P:
,条件q:x
,若p是q的充分不必要条件,则a的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffebb2f207224ea219962dac0759929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd1f0c0b561e0a10d9a7c52123f65e6.png)
A. a![]() | B.![]() | C.a![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
1406次组卷
|
9卷引用:2015-2016学年广东仲元中学高二上期末数学试卷
2015-2016学年广东仲元中学高二上期末数学试卷湖南省娄底市蓝圃学校2017-2018学年高二月考数学试题【校级联考】甘肃省兰州市第二片区丙组2018-2019学年高二上学期期末联考数学(文)试题(已下线)2015届河北省唐山市开滦第二中学高三10月月考理科数学试卷(已下线)专题17+常用逻辑用语-2021高考数学(理)高频考点、热点题型归类强化福建省莆田锦江中学2020-2021学年高二上学期期末考试数学试题苏教版(2019) 必修第一册 过关检测 第2章 小题练速度山东省淄博第十一中学2022-2023学年高一上学期第一次阶段性考试数学试题1.2.2 充分条件和必要条件