19-20八年级下·浙江杭州·阶段练习
解题方法
1 . 如图,在平面直角坐标系中,一次函数
的图象与反比例函数
的图象相交于点
,点A的坐标为
,点B的横坐标为6.
(1)求反比例函数与一次函数的解析式;
(2)连结
,求
的面积;
(3)若点C在x轴上,D点在坐标平面内,是否存在点C,使得以
为顶点的四边形是矩形,若存在,求出点D的坐标;求出点的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc4622a5f65ffbece28e09206b0cb8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
(1)求反比例函数与一次函数的解析式;
(2)连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a887617b1126a28868fbc1629b8c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)若点C在x轴上,D点在坐标平面内,是否存在点C,使得以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4496fe22b40bc63581998e6b7ef6783.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/23/a944f3d0-5269-494e-bb97-19e872a28c08.png?resizew=462)
您最近一年使用:0次
19-20八年级下·浙江杭州·阶段练习
2 . 我们定义:有一组对角相等而另一组对角不相等的凸四边形叫做等对角四边形.请解决下列问题:
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629560094515200/2629611251466240/STEM/1390301486944ae78a1164b2d8d9cd93.png?resizew=374)
(1)已知:如图1,四边形
是等对角四边形,
,则
______°,
______°.
(2)图①、图②均为
的正方形网格,线段
的端点均在网点上.按要求在图①、图②中以
和
为边各画一个等对角四边形
.
要求:四边形
的顶点D在格点上,所画的两个四边形不全等.
(3)已知:在等对角四边形
中,
,求对角线
的长.
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629560094515200/2629611251466240/STEM/1390301486944ae78a1164b2d8d9cd93.png?resizew=374)
(1)已知:如图1,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0977f8cdcfd681bf7cc788a12bb0a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459459559720ab5e154a80723c47cc30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7960538cb70fcf641b94864a90190d.png)
(2)图①、图②均为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb9d60d456560e9bac66c8b20c49bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3355e2fa0ac6c675f02ee36c3ced4f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
要求:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)已知:在等对角四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0bd83e79c99bd47d393911ceb71f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
名校
3 . 如图,在
中,
,
为
边上的高线,
为
上一点,满足
,连接
.
![](https://img.xkw.com/dksih/QBM/2020/12/9/2612516222394368/2621212060819456/STEM/3e2da0bb-211d-4ba4-9325-c0a6db7f08df.png?resizew=261)
(1)求证:
;
(2)取线段
的中点M,连接并延长
到点F,使得
.
①依题意补全图形;
②求证:
;
③连接
,若
成立,直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42ed2e5bd5a0f033e24008697bf4963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3620030e8808da46df97330103827913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2020/12/9/2612516222394368/2621212060819456/STEM/3e2da0bb-211d-4ba4-9325-c0a6db7f08df.png?resizew=261)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7595bdaea3dfa548c0fcfe3708387476.png)
(2)取线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6c0e9de83f2e64ae33609fc08459d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533963a9196536928d7e4d43caef51c8.png)
①依题意补全图形;
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459758a36144590a77a7183e3be2d5a5.png)
③连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1fbba1c784be16e242427c5b2abde88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2abe5da7ee1a2ff3ca5dec7a2d04dc.png)
您最近一年使用:0次
解题方法
4 . 定义:有且仅有一组对角相等的凸四边形叫做“准平行四边形”.例如:凸四边形
中,若
,
,则称四边形
为准平行四边形.
(1)如(图①),
、
、
、
是⊙O上的四个点,
,延长
到
,使
.求证:四边形
是准平行四边形;
(2)如(图②),准平行四边形
内接于⊙O,
,
,若⊙O的半径为5,
,求
的长;
(3)如(图③),在
中,
,
,
,若四边形
是准平行四边形,且
,请直接写出
长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520d831f0b99a1698f06775cc2047390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/d5772f9f-aed7-44d3-80fd-1dc49570c3cc.png?resizew=381)
(1)如(图①),
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991fdca41f19de62f60e293c3756aee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045b85674bbe01e477c76501affed905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ba22b69231ffb2878458c15c51bd90.png)
(2)如(图②),准平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06e36ec59fa93ac857e35796a4b8311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4009aa13093cc3865dcd51b371892160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(3)如(图③),在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5755afc235f06b6a6c8624aaa0a6aa5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2020-12-24更新
|
535次组卷
|
7卷引用:江苏省扬州市仪征市2019-2020学年九年级上学期期末数学试题
江苏省扬州市仪征市2019-2020学年九年级上学期期末数学试题江苏省南通市如东县2019-2020学年九年级上学期期中数学试题(已下线)专题18创新型与新定义综合问题-决胜2020年中考数学压轴题全揭秘精品(2)湖南省长沙市周南教育集团2020-2021学年九年级上学期12月联考数学试题湖南长沙周南集团2019-2020学年九年级下学期第三次联考数学试题(已下线)必刷卷02-2021年中考数学考前信息必刷卷(湖南长沙专用)江苏省扬州市江都区八校联谊2022-2023学年九年级数学上学期期中试题
5 . 我们把方程
称为圆心为
、半径长为r的圆的标准方程.例如,圆心为
、半径长为3的圆的标准方程是
.在平面直角坐标系中,
与x轴交于点A,B,且点B的坐标为
,与y轴相切于点
,过点A,B,D的抛物线的顶点为E.
![](https://img.xkw.com/dksih/QBM/2020/12/18/2616913559289856/2618993160200192/STEM/5012b9c6300c47f185480ef9102ee79b.png?resizew=531)
(1)求
的标准方程;
(2)求抛物线的解析式;
(3)试判断直线
与
的位置关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d07bb439c05a85ff6804f5036c6505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca280ccbf4426a4e3837e03ac8791d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4e5961247ad66d441e745b1aa1da54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af355c8984f67e4ceceaf9df0a42e5d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bbb2a23bb28d443062ae3e1a30b1be.png)
![](https://img.xkw.com/dksih/QBM/2020/12/18/2616913559289856/2618993160200192/STEM/5012b9c6300c47f185480ef9102ee79b.png?resizew=531)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
(2)求抛物线的解析式;
(3)试判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
您最近一年使用:0次
6 . 如图,C为线段BD上一动点,分别过点B,D作AB⊥BD,DE⊥BD,连结AC,CE.
(1)已知AB=3,DE=2,BD=12,设CD=x.用含x的代数式表示AC+CE的长;
(2)请问点C满足什么条件时,AC+CE的值最小?并求出它的最小值;
(3)根据(2)中的规律和结论,请构图求出代数式
的最小值.
(1)已知AB=3,DE=2,BD=12,设CD=x.用含x的代数式表示AC+CE的长;
(2)请问点C满足什么条件时,AC+CE的值最小?并求出它的最小值;
(3)根据(2)中的规律和结论,请构图求出代数式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4073c77424958c46fa4216e28db185a8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/c69f7d08-02e0-4a28-9e4f-f3ae6d482c68.png?resizew=154)
您最近一年使用:0次
2020-12-21更新
|
325次组卷
|
3卷引用:浙江省杭州市萧山区城北片区2020-2021学年八年级上学期期中数学试题
名校
7 . 如图,已知
,点P射线
上的一个动点,过点P作
,交
于点C,点D在
内,且满足
.
![](https://img.xkw.com/dksih/QBM/2020/12/12/2612442451165184/2614194056331264/STEM/f8bf6c9258094aa6bf314998a79baef2.png?resizew=262)
(1)当
时,连接
,求
的长;
(2)若点M在射线
上,请写出一个
的值,使得在点P的运动过程中,总有
,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6131160eaee962470abc7771df265c6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e0d4f374a340bd6786917ba3b0de1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b9833b5fa0e42bc52a85ff3c417ee7.png)
![](https://img.xkw.com/dksih/QBM/2020/12/12/2612442451165184/2614194056331264/STEM/f8bf6c9258094aa6bf314998a79baef2.png?resizew=262)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed66431681da1db8f7cb0f40cd19201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a61cc4c88baf0833faa0964cd3f26c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a61cc4c88baf0833faa0964cd3f26c.png)
(2)若点M在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fd8dc1de568f86182947d1a0eaec85.png)
您最近一年使用:0次
名校
解题方法
8 . (1)认识模型:
如图1,等腰直角三角形
中,
,
,直线
经过点
,过
作
于
,过
作
于
.若
.则
______.
(2)应用模型:
①已知直线
与
轴交于
点,与
轴交于
点,过点
作直线
垂直
于
,且
,求点
的坐标;
②如图3,矩形
,
为坐标原点,
的坐标为(5,4),
,
分别在坐标轴上,
是线段
上动点,已知点
在第一象限,且是直线
上的一点.若
是以
为直角顶点的等腰直角三角形,请求出所有符合条件的点
的坐标.
如图1,等腰直角三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323b786e35c9b762d00f2b2ef74ce1d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c388d0a3f0a8d9fb0b9576d00af225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c60ab4cdefda079244161bb911a453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f76e37d6e6b182896ccaaa187cfe07.png)
(2)应用模型:
①已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de869ae6b6dc5b79fcae3de540b30bf.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/81dea63b8ce3e51adf66cf7b9982a248.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
②如图3,矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607543bb9f55b8a141ed2d6cf0e1a20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da7bcea5a45eeae211f5851f12a7517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610528111394816/2614087885373440/STEM/479687b8-31e4-4168-b3c0-8ad0ef261fb5.png?resizew=495)
您最近一年使用:0次
9 . 如图,在矩形
中,点
是
上的一个动点,连结
,作点
关于
的对称点
,且点
落在矩形
的内部,连结
,
,
,过点
作
交
于点
,设
.
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611898596507648/2613517236207616/STEM/f0cbdf3c474a45faae1fca7669c40b5d.png?resizew=164)
(1)求证:
;
(2)当点
落在
上时,用含
的代数式表示
的值;
(3)若
,且以点
,
,
为顶点的三角形是直角三角形,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee65acab267cfdbcd22b88c1fcb1f4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e94458823a7107ba485c7d88cc7847.png)
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611898596507648/2613517236207616/STEM/f0cbdf3c474a45faae1fca7669c40b5d.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3b86c19998b62fa17299f1925240df.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d1be9b1e742b25e355af14502549cb.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2cf2a4f9747c170b6223278ed15506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
20-21八年级上·江西南昌·期中
解题方法
10 . 如图,点
的坐标为
,过点
作
轴于点
,
轴于点
,点
为线段
上一点,若第一象限内存在点
,使
为等腰直角三角形,请直接写出符合条件的
点坐标________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ab719df4b08d983743834d6d2bbc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8344999680784650f29a28159b1edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548c69ffff5b2d8a8527a27afd1d9195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb8b45fce7e4ffc52060688eeee27cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4404a2a2c6c398bd38845974827642d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48e42ce4fd7e6da946bf2b7b22200db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/2020/12/8/2609790397669376/2609914824720384/STEM/6c9e8a9f-0e7b-4107-8f00-969c7ebda0a8.png)
您最近一年使用:0次