如图,在平面直角坐标系
中,点
在第一象限,点
,
,反比例函数
的图象经过点
.把
向上平移
个单位长度得到
.反比例函数
的图象经过点
,交
于点
.
![](https://img.xkw.com/dksih/QBM/2020/6/15/2485453806968832/2492300979339264/STEM/7cad36eb763043ca8bcf5089635b89a6.png?resizew=167)
(1)求
的值;
(2)若
,求
的值;
(3)设反比例函数
的图象交线段
于点
(点
不与点
重合) .当
时,请直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba03ce21b781d9113abde12a81d767c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2032dc3e6ee6b0e6ff4cde5ed2072742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beffd2469d6e9df9944fc4e50b4c421b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70444e3a66d1068038c5b5a77c7954aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1682452735ce9480b82adc115a6a2b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2020/6/15/2485453806968832/2492300979339264/STEM/7cad36eb763043ca8bcf5089635b89a6.png?resizew=167)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c91348119d864bf3e59098e837abd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beffd2469d6e9df9944fc4e50b4c421b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb7824400c347e106482369bcc8c47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-06-25 15:42:14
|
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适中
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【推荐1】如图,已知点A. B在双曲线y=
(x>0)上,AC⊥x轴于C,BD⊥y轴于点D,AC与BD交于点P,P是AC的中点.
![](https://img.xkw.com/dksih/QBM/2019/6/27/2234468661821440/2285768791425024/STEM/48c7c8fba0414e58b41d3019ddf95087.png?resizew=165)
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(2)试判断四边形ABCD的形状,并说明理由.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
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(1)设A的横坐标为m,试用m、k表示B的坐标.
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解答题-问答题
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【推荐2】如图,一次函数
的图象与反比例函数
的图象相交于A,B两点,其中点A的坐标为
,点B的坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f780548b88643998d199cb1276617f8e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/621986b3-8b57-4486-95a1-55398e4dfa8f.png?resizew=206)
(1)根据图象,直接写出满足
的x的取值范围;
(2)求这两个函数的表达式;
(3)求
的面积;
(4)点P在线段AB上,且
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c143e0781facdd4e4b6db9854e0ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d82ec141c8e84ac00891f48577052e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f780548b88643998d199cb1276617f8e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/621986b3-8b57-4486-95a1-55398e4dfa8f.png?resizew=206)
(1)根据图象,直接写出满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238aa46d89c03bd1c044924e95f282dd.png)
(2)求这两个函数的表达式;
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(4)点P在线段AB上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ecfbeb86df4b14574c2b11ce760bbf.png)
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解答题-证明题
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适中
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【推荐1】如图,在△ABC中,AB=AC,∠BAC=α(0°<α<90°),D为BC边上一动点(不与点B,C重合),在AD的右侧作△ADE,使得AE=AD,∠DAE=∠BAC,连接CE.
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611645909803008/2619040641007616/STEM/e0a1589f9b31488ba0dbf476a1df4a01.png?resizew=312)
(1)当点D在线段BC上时,求证:△BAD≌△CAE;
(2)当CE∥AB时,若点D在线段BC上,∠BAD=20°,求∠ADB的度数;
(3)在点D的运动过程中,当DE⊥AC时,求∠DEC的度数(用含α的代数式表示).
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611645909803008/2619040641007616/STEM/e0a1589f9b31488ba0dbf476a1df4a01.png?resizew=312)
(1)当点D在线段BC上时,求证:△BAD≌△CAE;
(2)当CE∥AB时,若点D在线段BC上,∠BAD=20°,求∠ADB的度数;
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解答题-作图题
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适中
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名校
【推荐2】如图,在
的网格中,每个小正方形的边长都是1,△ABC的顶点都在格点上,用无刻度的直尺按要求画图(保留作图痕迹):
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb9d60d456560e9bac66c8b20c49bb1.png)
(1)在图①中的BC边上找一点D,连结AD,使得线段AD将△ABC分成周长相等的两部分;
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![](https://img.xkw.com/dksih/QBM/2020/9/29/2560302576558080/2565336943230976/STEM/7ae60fbbb5e741f693c93da9c8b45ca3.png?resizew=229)
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(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4cd68cc82e90a5e2049a7ea3171b84.png)
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解答题-作图题
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适中
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【推荐1】如图,每个小正方形的边长为1个单位,每个小方格的顶点叫格点.
(1)画出△ABC的
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(2)画出△ABC向右平移4个单位后得到的△A1B1C1.
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适中
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【推荐2】如图,在平面直角坐标系中,点A,B的坐标分别为
,且a、b满足
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,使
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(3)点P是线段
上的一个动点,连接
,当点P在
上移动时(不与B,D重合)
的值是否发生变化,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb2f67f6925e9aca84a4d695d6e6347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba658b582572f16e1d81c1b92060325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d69e13d239b440d4dfc2a0b85331cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520f8abda6a85e7ef6f281fc2df853fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5d18c533ed55b64f7f796e504b68a7.png)
(2)在y轴上是否存在一点P,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e58e5a299e7b6b508c61244b93ae1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe80a24a844428aef05121da8386450.png)
(3)点P是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8305b4f30ec8b02efa26cb20f2bd70f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5c95de25277dd00f6e1f2cd1276f90.png)
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