1 . 设关于
,
的不等式组
表示的平面区域为
,若
,
,
中有且仅有两个点在平面区域
内,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5606fda4d1caf825ca444ae270be6a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6ce39c72b38fa1a2b3275188b27689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4715dd5f2139c84d0302095d226302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49179dbfbc8e207aa92fd72060fba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 若点
,
在直线
的两侧,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6537f0a9680d66b8d934df7890658394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a65c4de8e6f5dd85fc28c14f9b1d80b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42498f6e0fc9a61c9857b70a87f02c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . (1) 解不等式:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f444d17cd7da594f6b4166c28857df8.png)
(2) 点
不在不等式
表示的平面区域内,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f444d17cd7da594f6b4166c28857df8.png)
(2) 点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d7ae927a0b7a41413ca63b6d36773a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c9ce6a19b9b41a96adc1aefb0a0efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 若点
和
分布在直线
的两侧,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcfce809e35760212e25a2acb43e62d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96062238631891af03236100477b271.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 设
满足约束条件
所表示的平面区域为
,若点
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a176f58b80a3a39daaf43c2871b978d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2458576fc8179011ef8a11e58e1dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知点
,
在直线
的两侧,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5a6145990adf5574f0e0f2fc828ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e1fa617863e37a37908aba227fce3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5e9b42db47cab2520cd32c09b47d35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
您最近一年使用:0次
2021-02-05更新
|
342次组卷
|
2卷引用:浙江省宁波市慈溪市2020-2021学年高二上学期期末数学试题
7 . 若函数
的图象与不等式组
,表示的区域有公共点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbe323771bc92bf5767e1bd9a46b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6d69ea4b77ac1c443add006216a986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-10-08更新
|
153次组卷
|
2卷引用:甘肃省白银市靖远县2019-2020学年高二下学期期末考试数学(文)试题
8 . 若直线
与不等式组
,表示的平面区域有公共点,则实数
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a900e67c15232c8240782070d5ce6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d08aeeeb46429b1ccdcdd6888f9c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
9 . 已知点
和
在直线
的同侧,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0481d24e2af1e0cd348732b9444d1dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ccfd5d01a4ca0cdb90cb9cdd3ad30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a11cbd8b8638d6d5e9343e38b7cf37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 若点
,
在直线
的两侧,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d460bfcd65ea07b708395ebbc4d98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960c22d0509ff3a0d4620afe187b196a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次