名校
解题方法
1 . 若
,
满足约束条件
则
的最小值为______ .
![](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/ec1f284628f5eef3b3a9b816a132d818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
2023-11-23更新
|
107次组卷
|
2卷引用:四川省雅安市雅安市联考2023-2024学年高三上学期期中考试数学(理)试题
名校
2 . 已知直线
,点
、
,设
,
,以下选项中命题都正确的为( )
(1)若
,则线段
的中点在直线
上
(2)若
,则直线
与直线
平行
(3)若
,则点
、
分布在直线
的两侧
(4)若
,则直线
与线段
的延长线相交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29fa0e0526598c4140789f6328daac9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af9c7138572896a62c1d1ae6646f92d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa6619a865a4666603bda1d1fc8accc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1a418fe5bae31329e486ef3d1a26b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf0539fad2893915a17b67233be8cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b90106d3e686cadf37eebecf57dfaee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5fcfc55b56f04ac530871067e5ce71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904de2dd00f6ee5c194731e6c251ef24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.(1)(2)(3) | B.(2)(3)(4) | C.(1)(3)(4) | D.(1)(2)(3)(4) |
您最近一年使用:0次
名校
3 . 已知圆
与两条坐标都不相交,圆心
在
轴上,圆
与直线
及直线
均相切.
(1)求圆
的方程.
(2)若过点
的直线
被圆
所截得的弦长为
,求直线
的方程.
(3)已知实数
、
满足圆
的方程,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae8c4a0ddd3b192da7c2d3bca9946a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc8b515c0b57767af60c121f89277af2.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326bc9e52fc6ec8f9ad4bcb248ede114.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/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)已知实数
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a78668f4a544a47795eb2f9c751ce75.png)
您最近一年使用:0次
名校
4 . 已知实数
,
满足
,则
的最小值是______ .
![](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/ca39a8df7c11128da2c84c3ee1963a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fcea15c29f82c965b69b413dc97753.png)
您最近一年使用:0次
2023-10-31更新
|
273次组卷
|
2卷引用:陕西省渭南市尚德中学2024届高三上学期期中考试文科数学试卷
解题方法
5 . 若
,
满足
,则
的最大值为( )
![](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/0e95841ea282befd10a2400a62a1789e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff626b7fdcdec8d1b2374b80b6a68d88.png)
A.1 | B.2 | C.-3 | D.-2 |
您最近一年使用:0次
6 . 若实数x,y满足约束条件
,则
的最小值为是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012296a6a7b8d8d8492c6c51159cdbdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1995404eb114809bc18fbdb4f1388b2.png)
您最近一年使用:0次
2023-10-14更新
|
131次组卷
|
3卷引用:四川省成都市金苹果锦城第一中学2024届高三上学期期中数学(理)试题
名校
解题方法
7 . 若实数
、
满足线性约束条件
,则
的最大值为______ .
![](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/85ce26a88a028a6a5768af3ac4dc53f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
您最近一年使用:0次
2023-10-13更新
|
278次组卷
|
4卷引用:四川省成都市成都外国语学校2024届高三上学期期中数学(理)试题
名校
解题方法
8 . 若
,
满足
则
的最小值是( )
![](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/1d0f2fdf0d6225d7c08e1af7966749ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e3da18d31497e7c2ce5217d139f80e.png)
A.![]() | B.![]() | C.8 | D.![]() |
您最近一年使用:0次
2023-07-27更新
|
100次组卷
|
2卷引用:河南省南阳市2023届高三上学期期中文科数学试题
解题方法
9 . 已知变量x,y满足
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01b65a8f6b4d8c87016e88569fb8924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e00f9038d3d25420b88a6dbef93679c.png)
A.4 | B.6 | C.8 | D.12 |
您最近一年使用:0次
2023-04-06更新
|
449次组卷
|
5卷引用:青海省西宁市大通县2024届高三上学期期中数学(文)试题
名校
10 . 若实数
满足约束条件
,则目标函数
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c565aea9157d0672851f595fb6f9faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7c99486743e17633d086d868f0680c.png)
您最近一年使用:0次
2023-03-27更新
|
166次组卷
|
2卷引用:四川省广安市第二中学校2022-2023学年高二下学期期中考试数学(理)试题