1 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450406e17a9b33a778e0b3d57d9ac253.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66580d34441a974652e0a45a4354e335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7ef7136d4e27bc2bc6553afaab8093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450406e17a9b33a778e0b3d57d9ac253.png)
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2 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579754296e38f32e183c528184af6e68.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f02c80de86c86578cf1b444c7bc8163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c607acac0d9f8efe7702b5d768c8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579754296e38f32e183c528184af6e68.png)
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3 . 将圆
上任意一点的横坐标变为原来的
,纵坐标不变,从而得到椭圆
,则椭圆
的焦点坐标是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90af67e4c90e378ade7773722e805b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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4 . 已知
(
为常数),
,且当
时,总有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8162bee503aecf1dd7f835635b63bd.png)
,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cf9ee8dde338b022a4366c5dcd59bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4e360b821890b2afdcbc32a0fa0b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f58620b99bef329c27333ec461234ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8162bee503aecf1dd7f835635b63bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ec8f79b42db17aff3a207f371156ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-01-10更新
|
187次组卷
|
4卷引用:上海市黄浦区2016-2017学年高三上学期期终调研测试数学试题
上海市黄浦区2016-2017学年高三上学期期终调研测试数学试题2017年上海市黄浦区高考一模数学试题(已下线)模块09 矩阵和行列式初步-2022年高考数学一轮复习小题多维练(上海专用)(已下线)第3章 函数-【优化数学】单元测试能力卷(人教B版2019)
5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aaefa97408c2847f8574692263c833.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aaefa97408c2847f8574692263c833.png)
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2019-11-11更新
|
62次组卷
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2卷引用:沪教版 高二年级第一学期 领航者 第九章 单元测试卷
6 .
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de51bb643f9c73a9941a8923f1a5f212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cd35b3f66cdeae8d9998d824194308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
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2019-11-10更新
|
45次组卷
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2卷引用:沪教版 高二年级第一学期 领航者 第九章 9.2矩阵的运算(2)
2010·上海普陀·一模
名校
7 . 线性方程组
的增广矩阵是_________________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34953a4bb9dc87f1e975a140cfa58bb6.png)
您最近一年使用:0次
2019-01-30更新
|
498次组卷
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4卷引用:上海市普陀区高三数学高考临考自测练习卷