名校
1 . 已知抛物线
:
,过直线
:
上的动点
可作
的两条切线,记切点为
,则直线
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b8d3564d7ae5687f69b64b150c4b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.斜率为2 | B.斜率为![]() | C.恒过点![]() | D.恒过点![]() |
您最近一年使用:0次
2024-04-07更新
|
830次组卷
|
3卷引用:山东省齐鲁名校联盟2023-2024学年高三第七次联考数学试题
名校
2 . 已知函数
.
(1)若
是
的极值点,求
;
(2)讨论函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3930ced5d2fa9e4bad17f2bdc88a19b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95805ede18934a967ca6ebd458c6e73a.png)
您最近一年使用:0次
名校
解题方法
3 . 若直线
和曲线
相切,则实数a的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e6a8c194ef6377f2e823160dd945.png)
您最近一年使用:0次
4 . 曲线
在点
处的切线斜率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e5ffea4d62e34e361e6baeeb295498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
您最近一年使用:0次
2023·全国·模拟预测
5 . 已知
,
为
上的一点,当
最小时,求在点
处的切线方程______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707dd66e0d6f8c33c6e05b4555f12c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91421e7703d87617f50270178decd18a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
6 . 已知点P是曲线
上的一点,则点P到直线
的最小距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42498f6e0fc9a61c9857b70a87f02c5e.png)
您最近一年使用:0次
2023-12-19更新
|
1236次组卷
|
5卷引用:广西玉林市部分学校2024届高三上学期12月模拟数学试题
7 . 若
,则
在点
处的切线与坐标轴所围成的面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068ff25c767fcbe6fe596d996031eed1.png)
您最近一年使用:0次
2023·全国·模拟预测
8 . 试写出曲线
与曲线
的一条公切线方程________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05b0ddef69b72c4dbcd37135a4a8fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a93eff75c2e6c53ecbe3fde9c15166.png)
您最近一年使用:0次
解题方法
9 . 若函数
在
处的切线平行于x轴,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e92f086df834772082d56527f2e5132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2023-11-27更新
|
1241次组卷
|
3卷引用:四川省宜宾市2024届高三第一次诊断性测试数学(文)试题
2023·全国·模拟预测
解题方法
10 . 若
为函数
的导函数,数列
满足
,则称
为“牛顿数列”.已知函数
,数列
为“牛顿数列”,其中
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895fe6b9753d94ebd0e572d60e794423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870c2d74e20d647f7c3125a2ba9d6734.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33610d2a46105e3c8456257221d3d07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf51d9719b5dba6b64411e961002d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d96c88b8337d4384e10b3252cb8940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895fe6b9753d94ebd0e572d60e794423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870c2d74e20d647f7c3125a2ba9d6734.png)
您最近一年使用:0次