名校
1 . 如果关于
的一元二次方程
的两个解是
,
(其中
),而且不等式
的必要条件是
,那么( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1146110d4382c714c10de00dd1273b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b88e53e6ca674b4cb92ba78dddf989.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-05-27更新
|
349次组卷
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5卷引用:云南省楚雄东兴中学2023-2024学年高一上学期10月月考数学试题
名校
解题方法
2 . (1)解关于
的不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69a5769f4dff170e8d714ef4ea5e8db.png)
(2)已知
:关于
的方程
有实数根,
,若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69a5769f4dff170e8d714ef4ea5e8db.png)
(2)已知
![](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/3626d51bf3e303397a03084e0d7d8134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed6eea730ad6dd5193a142ee736b6d3.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
2021-12-23更新
|
324次组卷
|
2卷引用:云南省楚雄市天人中学2021-2022学年高一10月月考数学试题