名校
解题方法
1 . 已知函数
在定义域
上单调递增,
,
,
,则函数
的一个误差不超过0.05的零点可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877432f7d81d821ac1719dfdc04376bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c574d7344a05b79542c185806d23262c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bfbfe669fd5ae17a74e345d620855e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.0.6 | B.0.68 | C.0.7 | D.0.72 |
您最近一年使用:0次
名校
2 . 如图,抛物线
与
轴交于
点,过点
的直线与抛物线交于另一点
,过点
作
轴,垂足为点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/19ff3fb5-1e44-4ec7-912f-8e2528bd8d1f.png?resizew=186)
(1)求直线
的函数关系式;
(2)动点
在线段
上从原点出发以每秒一个单位的速度向
移动,过点
作
轴,交直线
于点
,交抛物线于点
.设点
移动的时间为
秒,
的长度为
个单位,求
与
的函数关系式,并写出
的取值范围;
(3)设在(2)的条件下(不考虑点
与点
,点
重合的情况),连接
,
,当
为何值时,四边形
为平行四边形?问对于所求的
值,平行四边形
能否为菱形?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd400eabbae8c74483d4749750e7c7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b45db8dd8768994af51206565379fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49179dbfbc8e207aa92fd72060fba1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/19ff3fb5-1e44-4ec7-912f-8e2528bd8d1f.png?resizew=186)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0522607eeb42a499c0f5b040bbdd42e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)设在(2)的条件下(不考虑点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae7f709cd4bf123f329605b2f9ea679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae7f709cd4bf123f329605b2f9ea679.png)
您最近一年使用:0次
2020-11-02更新
|
304次组卷
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4卷引用:广东省佛山市顺德区第一中学2020-2021学年高一上学期新生入学数学试题