如图,在直角坐标系中,直线
分别交x轴,y轴于A,B两点,C为
的中点,点D在第二象限,且四边形
为矩形,P是
上一个动点,过点P作
于H,Q是点B关于点A的对称点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5f2c447bfe1f2118a7bd65be5c6727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8735e2de0ec29640d1eff9e043556030.png)
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21-22八年级下·湖北黄石·期末 查看更多[9]
湖北省黄石市阳新县2021-2022学年八年级下学期期末数学试题 广东省梅州市丰顺县汤坑中学2022-2023学年九年级上学期11月月考数学试题(已下线)专题31 一次函数中的最值-【微专题】2022-2023学年八年级数学上册常考点微专题提分精练(浙教版)(已下线)专题18 矩形中的最值-【微专题】2022-2023学年八年级数学下册常考点微专题提分精练(浙教版)(已下线)专题5.1.2 矩形的判定(知识要点+专项练习)-2022-2023学年八年级数学下册同步精品课堂(浙教版) 广东省广州市广州大学附属中学2022~2023学年九年级数学上学期开学测试卷四川省达州市渠县渠县中学2023-2024学年九年级上学期9月月考数学试题四川省成都市青羊区成都市树德中学2023-2024学年九年级上学期10月月考数学试题2024年辽宁省沈阳市部分学校 中考模拟(一模)数学模拟试题
更新时间:2022-08-22 13:45:17
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【推荐1】如图,点
在直线
上,过点
作
交直线
于点
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为边在
外侧作等边三角形
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的反比例函数为
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作
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和
于
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,过
的反比例函数为
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个反比例函数的![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793b85e2442d2b9dca2efed03fa3d995.png)
______ .(用含
的代数式表示)
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【推荐2】如图,在平面直角坐标系中,点A的坐标为
,点B在x轴上,
,作点O关于AB的对称点C,连接AC,BC,则点C的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
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【推荐1】如图,在菱形
中,
,
,点
为对角线
上一动点(不与点
重合),且
,连接
交
延长线于点
.
①
:
②当
为直角三角时,
;
③当
为等腰三角形时,
或者
;
④连接
,当
时,
平分
.
以上结论正确的是________ .(填正确的序号)
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①
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②当
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③当
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④连接
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以上结论正确的是
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【推荐2】如图,在梯形中,
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为
中点,连接
.以
为直角边、点
为直角顶点向右构造等腰
,连接
交
于点
.若
,则
的长为
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【推荐1】如图,在
中,
,点
为
的中点,
是
的平分线,
交
于
,则四边形
的形状是______ .
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【推荐2】如图,在正方形ABCD中,点P是AB上一动点(不与A,B重合),对角线AC、BD相交于点O,过点P分别作AC、BD的垂线,分别交AC、BD于点E、F,交AD、BC于点M、N.下列结论:①△APE≌△AME;②PM+PN=AC;③△POF∽△BNF;④当△PMN∽△AMP时,点P是AB的中点,其中一定正确的结论有_____ .(填上所有正确的序号).
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名校
【推荐1】如图,在等腰直角三角形
中,
,
,
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的中点,点P是
上一动点,则
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【推荐2】如图,在平行四边形
中,
,
,
,点E,F分别是边
,
上的动点,线段
经过对角线的交点O,若线段
关于
对称的对应线段为
,当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
________ 时,
与四边形
其中一边平行.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
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