名校
1 . 对圆
上任意一点
,
的取值与x,y无关,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a392337c91fd9fe51f670e2249dc4857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dad833494223f9de54601bf38aaae34.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-01-04更新
|
1593次组卷
|
5卷引用:福建省厦门第一中学2020-2021学年高二分班摸底练习数学试题
名校
解题方法
2 . 已知二次函数
,其中
.
(1)若
且
,
①证明:函数
必有两个不同的零点;
②设函数
在
轴上截得的弦长为
,求
的取值范围;
(2)若
且不等式
的解集为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eb9b6fe8959ae9e71e857b6d6fed49.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
①证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
②设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ace3e11fd74831ad829670674bb621.png)
您最近一年使用:0次
2023-08-06更新
|
864次组卷
|
8卷引用:福建省厦门大学附属科技中学2023-2024学年高一上学期10月阶段性测试数学试题
名校
解题方法
3 . 已知函数
,且不等式
的解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20c0cc63e4de0f1295e460459f884a7.png)
(1)解关于x的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0f362d5559c5fa1f5d92daa76cc1d2.png)
(2)已知
,若对任意的
,总存在
,恰
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94337a2c63f372c44b4a4cdbf089b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55898aa0878b05adcdcab2da7d2d90c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20c0cc63e4de0f1295e460459f884a7.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0f362d5559c5fa1f5d92daa76cc1d2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a947d3bbb9b5a2edf0d2c0285a3c6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a49ed9ace6473191f26f0cc59f1684c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44027b7d484920229ad6152f8471217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75c1d0a1f47acd3ad58cf4e344b4b0d.png)
您最近一年使用:0次
2022-10-20更新
|
1325次组卷
|
6卷引用:福建省厦门双十中学2022-2023学年高一上学期第一次月考数学试题
福建省厦门双十中学2022-2023学年高一上学期第一次月考数学试题山东省青岛市青岛第五十八中学2022-2023学年高一上学期期中数学试题云南省大理市下关第一中学2024届高三上学期11月期中考试数学试题福建省莆田市第二中学2023-2024学年高一上学期10月阶段质量测试数学试题(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列(已下线)专题02 一元二次函数、方程和不等式3-2024年高一数学寒假作业单元合订本
名校
4 . 已知函数
(
且
),若存在实数
,
(
),使得
的解集恰好为
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33873bf3b461ba9616ed7b05fab81547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.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/d4610754dff007c541aa4887d8705329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be35b4d8f52e8f440297683c3178e22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
11-12高三上·福建厦门·阶段练习
解题方法
5 . 已知函数
(
是自然对数的底数)
(1)求
的最小值;
(2)不等式
的解集为P, 若
且
,求实数
的取值范围;
(3)已知
,且
,是否存在等差数列
和首项为
公比大于0的等比数列
,使数列
的前
项和等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0107fb8d4cb3a9b6311fa639ca514b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f8ffb5afc3de70c4fcd054c492a6e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7729c3c3e86a2ee0c3f8edff8282178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9c9f7fe82ce33779868c7e319a0133d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c0eda754a9ad60eadc8eb1b83d0d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5344eadd4711db34e3f935aedd5fb270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次