在平面直角坐标系
中的点
和图形
,给出如下的定义:若在图形
存在一点
,使得
、
两点间的距离小于或等于
,则称
为图形
的关联点.
(1)当
的半径为
时,
①在点
,
,
中,
的关联点是_______________.
②点
在直线
上,若
为
的关联点,求点
的横坐标的取值范围.
(2)
的圆心在
轴上,半径为
,直线
与
轴、
轴交于点
、
.若线段
上的所有点都是
的关联点,直接写出圆心
的横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
①在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a63b3c1dfcc93fee9b48a2805f450b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c55ddd310b44f49ea0652bca0662fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b049d5be0b4b2e76317a5d5138a2dc7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec89d17a1b8f7961e2f1f27c2d50685.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
2017·北京·中考真题 查看更多[14]
北京市2017年数学中考真题(已下线)2年中考1年模拟 第三篇 函数 专题12 一次函数及其应用(已下线)2年中考1年模拟 第七篇 专题复习篇 专题37 阅读理解问题(已下线)决胜2018中考压轴题全揭秘 专题29 新定义和阅读理解型问题2017-2018学年第二学期3月江阴初级中学初三数学阶段检测江苏省江阴初级中学2018届九年级下学期第一次月考数学试题(已下线)决胜2018中考压轴题全揭秘 专题06 一次函数问题江苏省无锡市宜兴市丁蜀学区2019-2020学年九年级上学期期中数学试题2020年北京八中中考数学3月模拟试题江苏省南京市南师附中树人学校2021-2022学年九年级上学期10月月考数学试题北京市东城区广渠门中学2021-2022学年九年级上学期期中考试数学试卷江苏省南通市启东市建新中学2020-2021学年九年级上学期12月月考数学试题(已下线)第一次月考难点特训(一)与圆有关的压轴题-【微专题】2022-2023学年九年级数学上册常考点微专题提分精练(苏科版)北京市丰台区第十八中学2022~2023学年九年级下学期数学综合卷一
更新时间:2017-12-11 19:37:39
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解答题-问答题
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名校
【推荐1】如图1,在平面直角坐标系中,直线
与x轴交于点A,与y轴交于点
,直线
与x轴交于点C,与直线
交于
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/b0a8483d-7257-4855-85f3-2e3a96131386.png?resizew=314)
(1)求直线
的解析式.
(2)点P是射线
上的动点,过点P作
且与
交于点Q,
轴垂足为点F,
轴垂足为点H,当四边形
为正方形时,求出正方形的边长.
(3)如图2,连接
,将
沿直线
翻折得到
.若点M为直线
上一动点,在平面内是否存在点N,使得以B、G、M、N为顶点的四边形为菱形,若存在,直接写出N的坐标,并把求其中一个点N的过程写出来,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e103ac6f7cc2b225de408eb4f90e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20bed76b039276239f5139796baf8f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2ebcb409f987502fa539093e7f2edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c21c7d6d85bb96723e12fac3b1bd66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3722a16503ee447ab3a165bb44c83f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/b0a8483d-7257-4855-85f3-2e3a96131386.png?resizew=314)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
(2)点P是射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3f982d999937891eec4cb22d62e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ff722e4809281f7d61d854c51ae1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275b43064101fea2f1f964686e9fa661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071fa050290fc994d3a4573882118755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b59494bd873efe87ce8120b4055a4e6.png)
(3)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c042ff18466e8165fadf343d142a4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbfae309c75ffadc3aaa47a5c348465b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02de39cb67b962d22e6a469cdc2ca5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
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【推荐2】如图,直角坐标系
中,过点
的直线
与直线
:
相交于点
,直线
与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718728788877312/2723986109071360/STEM/849dccc3-1bc5-488b-b9a2-e1811b8cc20e.png)
(1)
的值为_______________;
(2)求
的函数表达式和
的值;
(3)直线
与直线
和直线
分别交于点
,
,(
,
不同)
①直接写出
,
都在
轴右侧时
的取值范围;
②在①的条件下,以
为边作正方形
,边
恰好在
轴上,直接写出此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cda239c1519c63b65af43a195c16fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1ef08309a8e34351aa96b0a1f20c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718728788877312/2723986109071360/STEM/849dccc3-1bc5-488b-b9a2-e1811b8cc20e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbff84327e964f912a54032e76ccc9.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
①直接写出
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②在①的条件下,以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf9df370b54455e5669ba431695e4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】如图,已知抛物线
交x轴于点A,B,交y轴于点C,设过点A,B,C三点的圆与y轴的另一个交点为D.
(1)如图1,已知点A,B,C的坐标分别为
,
,
;
①求此抛物线的函数解析式;
②若点M为抛物线上的一动点,且位于第四象限,求
面积的最大值;
(2)如图2,若
,
,求证:无论b取何值,点D的坐标均不改变.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc393f6372a75de7d0d52d5b95d701c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/911c4514-e507-422f-9df8-6542fc55b925.png?resizew=320)
(1)如图1,已知点A,B,C的坐标分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502a9b48fa0292c66dd08af375d3a78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd0c66f770efb96a275cfa719ff9e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c448d14dabcc5ec002424a42f330c12.png)
①求此抛物线的函数解析式;
②若点M为抛物线上的一动点,且位于第四象限,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a1219bc313db46b07bbd68600267a4.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf9b4a0c45a830e90b3c469d3083c95.png)
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【推荐2】如图甲,四边形OABC的边OA、OC分别在x轴、y轴的正半轴上,顶点在B点的抛物线交x轴于点A、D,交y轴于点E,连接AB、AE、BE.已知tan∠CBE=
,A(3,0),D(﹣1,0),E(0,3).
(1)求抛物线的解析式及顶点B的坐标;
(2)求证:CB是△ABE外接圆的切线;
(3)试探究坐标轴上是否存在一点P,使以D、E、P为顶点的三角形与△ABE相似,若存在,直接写出点P的坐标;若不存在,请说明理由;
(4)设△AOE沿x轴正方向平移t个单位长度(0<t≤3)时,△AOE与△ABE重叠部分的面积为s,求s与t之间的函数关系式,并指出t的取值范围.
![](https://img.xkw.com/dksih/QBM/2012/7/3/1573426035712000/1573426097512448/STEM/d1d95f458c17471aa5a628d1b2b31ea4.png)
(1)求抛物线的解析式及顶点B的坐标;
(2)求证:CB是△ABE外接圆的切线;
(3)试探究坐标轴上是否存在一点P,使以D、E、P为顶点的三角形与△ABE相似,若存在,直接写出点P的坐标;若不存在,请说明理由;
(4)设△AOE沿x轴正方向平移t个单位长度(0<t≤3)时,△AOE与△ABE重叠部分的面积为s,求s与t之间的函数关系式,并指出t的取值范围.
![](https://img.xkw.com/dksih/QBM/2012/7/3/1573426035712000/1573426097512448/STEM/0c5164bf3b014d07b547eb47b289d287.png)
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