若双曲线y=kx-1与直线y=-2x+10在2≤x≤4时有且只有一个公共点,则对k的取值要求是______ .
更新时间:2020-03-18 12:09:07
|
相似题推荐
填空题
|
困难
(0.15)
解题方法
【推荐1】在平面直角坐标系xOy中有两点A,B,若在y轴上有一点P,连接PA,PB,当∠APB=45°时,则称点P为线段AB关于y轴的“半直点”.例:如图,点A(﹣3,1),B(﹣3,﹣2),则点P(O,1)就是线段AB关于y轴的一个“半直点”,线段AB关于y轴的另外的“半直点”的坐标为 _____ ;若点C(3,3),点D(6,﹣1),则线段CD关于y轴的“半直点”的坐标为 _____ .
![](https://img.xkw.com/dksih/QBM/2022/4/30/2969123490185216/2970958505009152/STEM/f82afaa9-0fd6-487c-aefa-23ac8afef98b.png?resizew=224)
您最近一年使用:0次
填空题
|
困难
(0.15)
名校
【推荐2】在平面直角坐标系
中,线段
,点
在线段
上,且
,
为
的中点,如果任取一点
,将点
绕点
顺时针旋转
得到点
,则称点
为点
关于线段
的“旋平点”.
的半径为4,点
在
上,点
,如果在直线
上存在点
关于线段
的“旋平点”,则
的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e5c289b8aabdbfba95c7fd1e1842f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3310232fbfa275c592dbb10e93c61418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐1】如图,在矩形
中,点D的坐标
,点P从点A出发沿
以
的速度向点B 移动,同时,点Q从点C出发沿
以
的速度向点D移动.当点P到达终点时,点Q随之停止,连接
,过B作
,垂足为E,连接
,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1898b72df348d8da4075dae64df582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc2d9b900111188aca83126dff97f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9174c3b1324cf81098e42e0480bcc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18eb88e82b82da8a0bde8df013fd1410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/9430550d-5713-4d9d-8891-367b9ccd9da1.png?resizew=160)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐2】如图,正六边形
的边长为
,内部有一个正方形(正方形的顶点可以在正六边形的边上),正方形的两个顶点
、
分别在边
、
上.
,
则正方形的边长为_________ .
(2)正方形面积的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.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/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7466c5aa19e723b00a5d7cdc5ac6d45a.png)
(2)正方形面积的最大值为
您最近一年使用:0次
填空题
|
困难
(0.15)
名校
【推荐1】如图,一次函数
与反比例函数
交于
、
两点,
,
,则反比例函数的解析式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76667472b5c2475e71c78f78170afada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe460b02699472f731a3aba5bd38c4a.png)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐2】如图,大、小两个正方形的中心均与平面直角坐标系的原点O重合,边分别与坐标轴平行.反比例函数y=
(k≠0)的图象,与大正方形的一边交于点A(
,4),且经过小正方形的顶点B.求图中阴影部分的面积为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://img.xkw.com/dksih/QBM/2022/1/15/2894746757103616/2896364532236288/STEM/d9e34b72-a377-4ab5-b389-76f8c74da809.png?resizew=189)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐1】如图,曲线
是由函数
在第一象限内的图象绕坐标原点O逆时针旋转
得到的,过点从
的直线与曲线
相交于点M、N.若
的面积为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19047838f4db30961deb0d9fb4df1d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/1b0978f4-2e2c-4ab1-8dda-f211c505e5f2.png?resizew=210)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐2】如图,一次函数
与反比例函数
交于
,
两点,过
,
两点分别作
轴、
轴的平行线交于点
,连结
交
于点
.当
是
面积的2倍时,则
的值是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5cc0e44baeedd8dd7df21a85cca70d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0b612460326448de36e160c8d29af9.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bbf01c47d3308a9549f4400a82da03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1fc2305fd371a1ff1f91cd834140e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2021/1/12/2634634309640192/2635067723988992/STEM/bb4805c4e5be47f489a6d2bfd9638327.png?resizew=169)
您最近一年使用:0次