对于反比例函数
,下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646e11d5bff57e56ce82c2339f2d71ce.png)
A.它的图象与坐标轴永远不相交 | B.它的图象绕原点旋转180°能和本身重合 |
C.它的图象关于直线![]() | D.它的图象与直线![]() |
18-19九年级·全国·课后作业 查看更多[2]
更新时间:2019-08-30 13:09:46
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【推荐1】如图,过原点的一条直线与反比例函数
的图象分别交于
、
两点,若
点的坐标为
,则
点的坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/cc0b7d8e-eb87-4af5-a736-7b17c91491f2.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.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/fa869e3b4fb54975822f0b8978b164b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/25/cc0b7d8e-eb87-4af5-a736-7b17c91491f2.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知直线
与函数
图象的一个交点的横坐标为4,则另一个交点的横坐 标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d49d34012ddf68fb981eb4975ac99b9.png)
A.2 | B.-2 | C.4 | D.-4 |
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【推荐1】下列命题正确的是( )
A.在函数![]() ![]() |
B.若![]() ![]() |
C.垂直于半径的直线是圆的切线 |
D.各边相等的圆内接四边形是正方形 |
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【推荐2】在反比例函数
(
为常数)的图象上有三点
,
,
,若
,则
,
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfc1850a7da01685c2a3dbe77c928f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c16dac1e9bf5804c8907cbc59014d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bac0dc3f94631d4163e7e4672cb8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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