13-14高三·全国·课后作业
名校
解题方法
1 . 已知直线
:
和直线
:
.
(1)若
,求
的取值范围;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65014cf69298d8ec3a4ea7eb83c36d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902710b03354e9bd75c0897453e48bf2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a355e3eac08d933b404ac3161dd42de.png)
您最近一年使用:0次
2020-03-01更新
|
104次组卷
|
7卷引用:四川省绵阳市南山中学2019-2020学年高二上学期期中数学(文)试题
四川省绵阳市南山中学2019-2020学年高二上学期期中数学(文)试题(已下线)2015高考数学(理)一轮配套特训:8-2直线的交点坐标与距离公式(已下线)专题9.2 两条直线的位置关系(练)【理】-《2020年高考一轮复习讲练测》(已下线)第06讲 两条直线平行和垂直的判定(教师版)-【帮课堂】河北省保定市定州中学2018-2019学年高一下学期第三次月考数学试题(已下线)第05讲 倾斜角与斜率(7大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)浙江省金华市武义第一中学2023-2024学年高二上学期9月检测数学试题
解题方法
2 . 直线
过点
,与
轴,
轴的正半轴分别交于
两点,
为坐标原点.
(1)当直线
的斜率
时,求
的外接圆的面积;
(2)当
的面积最小时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
3 . 函数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b03601f7f46985a33ab12b7dbfeeace.png)
您最近一年使用:0次
2017-11-12更新
|
299次组卷
|
4卷引用:【全国百强校】四川省绵阳市南山中学2017-2018学年高二下学期期中考试数学(文)试题
10-11高一下·黑龙江鹤岗·期中
真题
解题方法
4 . 已知函数
的图象与
轴分别相交于点
,
(
分别是与
轴正半轴同方向的单位向量),函数
.
(1)求
的值;
(2)当
满足
时,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a26cbfd351d1af2add79d6315ad31c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda0b2901ab7cccd83e408e381f2df70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f03844a4d49eadf4157de7c7c339b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee74c6911296526d3f85b586d3d4161.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac93e34d8935fe1c54e5263d514f242a.png)
您最近一年使用:0次
5 . 已知直线
和直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1229d92ec823fae81ee20b357f5e87b2.png)
(1)若
,求
的值;
(2)若
,则
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd566a13e51b9cd563236fef1ff75755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1229d92ec823fae81ee20b357f5e87b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de48d1af93ef39c01ed3c226bada2f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/702735f2576ed71a7a9aa5635f08bdd7.png)
您最近一年使用:0次
2016-12-04更新
|
645次组卷
|
2卷引用:2016-2017学年四川省三台中学高二上学期周考数学卷2
名校
6 . 已知函数
.
(1)求不等式
的解集;
(2)设
的最小
为m,若正实数a,b,c满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea992e373619807bd641647c8fe7821.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1767f70cdc6165c62f9c3062f72f5e30.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f18be966092ffdc5e2d251e0802850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c0a81b36d44792d24c09f8c3513ccf8.png)
您最近一年使用:0次
2022-04-29更新
|
0次组卷
|
8卷引用:四川省绵阳市江油市太白中学2024届高三上学期12月月考数学(理)试题