名校
解题方法
1 . 已知点
(2,﹣3),
(3,2),直线
与线段
相交,则直线
过定点
的坐标为______________ ,实数
的取值范围是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881d3d9e815077f1dc7d16888be994ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 若圆
:
与两条直线
和
都有公共点,则
的范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ac6922e83ca3262dd0e25808510b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
您最近一年使用:0次
2020-08-31更新
|
531次组卷
|
7卷引用:辽宁省实验中学2020届高三下学期第下学期五次模拟考试数学理科试卷
辽宁省实验中学2020届高三下学期第下学期五次模拟考试数学理科试卷辽宁省实验中学2020届高三下学期学期第下学期五次模拟考试数学文科试卷(已下线)专题3.1二元一次不等式(组)与简单的线性规划问题(B卷提升篇)-2020-2021学年高二数学必修五同步单元AB卷(人教A版,浙江专用)(已下线)第03章+章末复习课(重点练)-2020-2021学年高二数学十分钟同步课堂专练(人教A版必修5)辽宁省锦州市黑山县黑山中学2020届高三下学期考前模拟训练数学(文)试题辽宁省锦州市黑山县黑山中学2020届高三下学期考前模拟训练数学(理)试题(已下线)专题突破卷22 求圆的最值与范围
3 . 已知
满足约束条件
,若目标函数
的最大值是-2,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188d539324c5062870bb158c78db58e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1995404eb114809bc18fbdb4f1388b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.-6 | B.-1 | C.1 | D.6 |
您最近一年使用:0次
4 . 不等式组
表示的平面区域为
,若对数函数
上存在区域
上的点,则实数
的取值范围是_________ .
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626200109056/1572626205868032/STEM/1b9cce819d854341b0a7492f0806ca6f.png?resizew=93)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626200109056/1572626205868032/STEM/5aa08f9c33c643abb7c2f4de080610e7.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626200109056/1572626205868032/STEM/8fd9282e817c422fab909ebdb47a67bd.png?resizew=159)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626200109056/1572626205868032/STEM/5aa08f9c33c643abb7c2f4de080610e7.png?resizew=18)
![](https://img.xkw.com/dksih/QBM/2016/5/10/1572626200109056/1572626205868032/STEM/194ed4b0abe64307bb442318f7986aab.png?resizew=13)
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2013·辽宁沈阳·一模
5 . 已知函数
的定义域为
,且
,
为
的导函数,函数
的图像如图所示.则平面区域
所围成的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/17/a7852347-19eb-453c-aa2e-d592e1ffa74b.png?resizew=224)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5069fb2cd95b9595065b4294e308322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f078ac25b6bfc4ba1e1cf05cfd9ddc83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d31f9ce464f2ce3b24833b70595941c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f2c3dd4950328ca13fd3b7f5dae208.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/17/a7852347-19eb-453c-aa2e-d592e1ffa74b.png?resizew=224)
A.2 | B.4 | C.5 | D.8 |
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