设关于的一元二次不等式
的解集为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31a236a2101c170576f3c8f8e2edc1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94bbdee8fdf23ef79b9673a2c7380ba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb2f87452a6a5fe9dd73766b16d66bf.png)
11-12高一下·江苏扬州·期中 查看更多[2]
更新时间:2016-12-01 22:50:39
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名校
解题方法
【推荐1】已知函数
,若关于x的不等式
恰有一个整数解,则实数a的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2347001a1a08ba56c13a4455643350a9.png)
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您最近一年使用:0次
填空题-单空题
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适中
(0.65)
【推荐2】已知关于
的不等式
的解集为
,且
中共含有
个整数,则当
最 小时,实数
的值为_____ .
![](https://img.xkw.com/dksih/QBM/2014/7/16/1571820809773056/1571820815474688/STEM/34c4e92b7c2f44cda3253b9ecca2ab36.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2014/7/16/1571820809773056/1571820815474688/STEM/b860d7c17c28491182dc49a28047aa6b.png?resizew=148)
![](https://img.xkw.com/dksih/QBM/2014/7/16/1571820809773056/1571820815474688/STEM/fd1e41c7f8b74796b06a323c7c93c282.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2014/7/16/1571820809773056/1571820815474688/STEM/fd1e41c7f8b74796b06a323c7c93c282.png?resizew=16)
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![](https://img.xkw.com/dksih/QBM/2014/7/16/1571820809773056/1571820815474688/STEM/c64209a0fd1644fd94a75e07a228d447.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2014/7/16/1571820809773056/1571820815474688/STEM/88f4381fff1c47fe90898cf29c2e6afb.png?resizew=13)
您最近一年使用:0次
填空题-单空题
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适中
(0.65)
解题方法
【推荐1】已知二次函数
,满足
,对任意的
都有
恒成立,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd0587f5d6a3b5db9e4a93e0dbc0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2170d60865f495be65cf63e2787e6b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268a2aaffda956a1e9a8a86b0f4a97ad.png)
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【推荐2】若“
”是假命题,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b583f735bf079df134aa7ab3a002a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次