如图,二次函数
的图象交
轴于点
,交
轴于点
,点
的坐标为
,对称轴是直线
,点
是
轴上一动点,
轴,交直线
于点
,交抛物线于点
.
(2)若点
在线段
上运动(点
与点
、点
不重合),求四边形
面积的最大值,并求出此时点
的坐标.
(3)若点
在
轴上运动,则在
轴上是否存在点
,使以
、
为顶点的四边形是菱形?若存在,请直接写出所有满足条件的点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3a3db6d96518255f96ad7fc1ac98f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb34a1c3ab87b1a371a17d71cc98049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24336185c5770925ee161848da27f011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
2023·四川广安·中考真题 查看更多[20]
2023年四川省广安市中考数学真题(已下线)专题08 二次函数图象性质与综合应用(44题)-学易金卷:2023年中考数学真题分项汇编(全国通用)(已下线)专题11 二次函数压轴题-学易金卷:2023年中考数学真题分项汇编(四川专用)四川省南充市南充高级中学2023-2024学年九年级上学期10月月考数学试题(已下线)2023年四川省广安市中考数学真题变式题22-26题山东省东营市河口区2023-2024学年九年级上学期期中数学试题河南省新乡市红旗区第一中学2023-2024学年九年级上学期期中数学试题河南省安阳市文峰区安阳正一中学2023-2024学年九年级上学期期中数学试题(已下线)专题11 二次函数综合问题(九大题型)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(山东专用)福建省龙岩市上杭县紫金中学2023-2024学年九年级上学期第二次月考数学试题(已下线)专题22 函数综合-学易金卷:三年(2021-2023)中考数学真题分项汇编(四川专用)(已下线)第7讲 矩形和菱形2024年山东省济宁市泗水县九年级中考数学一模模拟试题2024学年山东省枣庄市九年级下学期第一次调研考试数学模拟试题2024年甘肃省天水市甘谷县中考第二次监测考试数学模拟试题2024年山东省枣庄市台儿庄区九年级第一次模拟考试数学试题(已下线)专题12 二次函数与几何问题(三)(四大热点题型归纳)-2024年中考数学二轮热点题型归纳与变式演练(云南专用)2024年甘肃省陇南市武都区中考三模数学试题四川省宜宾市叙州区叙州区龙文学校2023-2024学年九年级下学期期中数学试题2024年甘肃省武威市第九中学九年级下学期中考模拟数学试题
更新时间:2023-06-16 10:48:27
|
相似题推荐
解答题-证明题
|
困难
(0.15)
【推荐1】如图所示,已知一次函数
的图象与
轴,
轴分别交于点
、
.以
为边在第一象限内作等腰
,且
,
.过
作
轴于
.
的垂直平分线
交
与点
,交
轴于点
.
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417904514400256/2418135845838848/STEM/a705b314b22145e39b0ad7d3c96f9716.png?resizew=138)
(1)求点
的坐标;
(2)在直线
上有点
,且点
与点
位于直线
的同侧,使得
,求点
的坐标.
(3)在(2)的条件下,连接
,判断
的形状,并给予证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de869ae6b6dc5b79fcae3de540b30bf.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa8cee7d2463f6f7d352e8b65f47cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6e4a2df58a236c20df5df0d29a466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2634263d383b0487281fdcf6fe3cc625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417904514400256/2418135845838848/STEM/a705b314b22145e39b0ad7d3c96f9716.png?resizew=138)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fbe8ffd40b6a00afb9f7357d7f3a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)在(2)的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a732a923cd39b8dc10dc6fc4fe60152a.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
名校
【推荐2】如图,在平面直角坐标系中,已知直线
与直线
相交于点A,与
轴相交于点B,与
轴相交于点C,抛物线
经过点O、点A和点B,已知点A到
轴的距离等于2.
(1)求抛物线的解析式;
(2)点H为直线
上方抛物线上一动点,当点H到
的距离最大时,求点H的坐标;
(3)如图,P为射线OA的一个动点,点P从点O出发,沿着OA方向以每秒
个单位长度的速度移动,以OP为边在OA的上方作正方形OPMN,设正方形POMN与△OAC重叠的面积为S,设移动时间为t秒,直接写出S与t之间的函数关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf2101c144a67a4684edec4c847cf73.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求抛物线的解析式;
(2)点H为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(3)如图,P为射线OA的一个动点,点P从点O出发,沿着OA方向以每秒
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/6b337bc1-ce84-4ce1-bc8a-2c4bdb2ba088.png?resizew=513)
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解题方法
【推荐3】如图,在平面直角坐标系中,点O为坐标原点,直线yx m交 y轴的正半轴于点A,交x轴的正半轴于点B,过点A的直线AF交x轴的负半轴于点F,∠AFO=45°.
(1)求∠FAB的度数;
(2)点 P是线段OB上一点,过点P作 PQ⊥OB交直线 FA于点Q,连接 BQ,取 BQ的中点C,连接AP、AC、CP,过点C作 CR⊥AP于点R,设 BQ的长为d,CR的长为h,求d与 h的函数关系式(不要求写出自变量h的取值范围);
(3)在(2)的条件下,过点 C 作 CE⊥OB于点E,CE交 AB于点D,连接 AE,∠AEC=2∠DAP,EP=2,作线段 CD 关于直线AB的对称线段DS,求直线PS与直线 AF的交点K的坐标.
(1)求∠FAB的度数;
(2)点 P是线段OB上一点,过点P作 PQ⊥OB交直线 FA于点Q,连接 BQ,取 BQ的中点C,连接AP、AC、CP,过点C作 CR⊥AP于点R,设 BQ的长为d,CR的长为h,求d与 h的函数关系式(不要求写出自变量h的取值范围);
(3)在(2)的条件下,过点 C 作 CE⊥OB于点E,CE交 AB于点D,连接 AE,∠AEC=2∠DAP,EP=2,作线段 CD 关于直线AB的对称线段DS,求直线PS与直线 AF的交点K的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/d3ed6162-4add-4d54-ae61-0adee0fee639.png?resizew=766)
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解答题-问答题
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困难
(0.15)
【推荐1】如图,直线
与直线
相交于y轴上一点C,P是直线
上的一个动点(不与点C重合),过点P作
轴交直线
于点M.设点P的横坐标为m.
(1)写出点P,M的坐标:P________,M________.(用含m的式子表示)
(2)若
的面积为
,求m的值.
(3)试探究在坐标平面内是否存在点N,使得以O,C,M,N为顶点的四边形是以CM为边的菱形?若存在,请直接写出m的值及点N的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b098e17fa76c648424e9cadf558cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887d13887d7e80f5acd551b54561bdf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887d13887d7e80f5acd551b54561bdf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9a8ae6c15072d8ae52b43c8edd9cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b098e17fa76c648424e9cadf558cc8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/10/42338fc0-c14a-47fa-a2b0-e4bcae2c26fa.png?resizew=174)
(1)写出点P,M的坐标:P________,M________.(用含m的式子表示)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225c0723cc3e08112fde8a02051997d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a7b702ada1dd80123e4041271d521.png)
(3)试探究在坐标平面内是否存在点N,使得以O,C,M,N为顶点的四边形是以CM为边的菱形?若存在,请直接写出m的值及点N的坐标;若不存在,请说明理由.
您最近一年使用:0次
解答题-问答题
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困难
(0.15)
【推荐2】如图,一次函数
的图象与
轴和
轴分别交于点
和点
,二次函数
的图象经过
,
两点,并与
轴交于点
点
是线段
上一个动点(不与点
、
重合),过点
作
轴的垂线,分别与二次函数图象和直线
相交于点
和点
,连接
.
![](https://img.xkw.com/dksih/QBM/2023/5/19/3240948935786496/3282233787277312/STEM/0dab041ae5be4fdbbbfb4d60f0e0938f.png?resizew=212)
(1)求这个二次函数的解析式.
(2)①求
、
的值(用含
的代数式表示).
②当以
,
,
为顶点的三角形与
相似时,求
的值.
(3)点
是平面内一点,是否存在以
,
,
,
为顶点的四边形为菱形?若存在,请直接写出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae652daf6059ff386f99bef2210518c5.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3edd98816dcf1b2ea50d630a565420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62769b7177ef4bc952dc1dd51d6b510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2023/5/19/3240948935786496/3282233787277312/STEM/0dab041ae5be4fdbbbfb4d60f0e0938f.png?resizew=212)
(1)求这个二次函数的解析式.
(2)①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②当以
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)点
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解答题-证明题
|
困难
(0.15)
【推荐1】在平面直角坐标系中,
为坐标原点,抛物线
交
轴于点
、
(
左
右),交
轴于点
,直线
,经过
点,交
轴于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/0b669a1c-031a-4a5e-89c0-724aa1630347.png?resizew=607)
(1)如图
,求
的值;
(2)如图2,点
在第一象限内的抛物线上,过点
、
作
轴的垂线,分别交直线
于点
、
,若
,求点
的坐标;
(3)如图3,在(2)的条件下,点
在第一象限内的抛物线上,过点
作
于点
,交直线
于点
,连接
、
,当
时,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2851626d1439405eb81dc0e31042cd33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0f432035fe604cc95dd36f1ccd0dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/0b669a1c-031a-4a5e-89c0-724aa1630347.png?resizew=607)
(1)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4d1d5b1d1a4177f753d9a240232f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)如图3,在(2)的条件下,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a27a676dbaf0562ebda2734ce588e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15febfda66e733f14aa7115ed4343a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf2130848c57fdbb994e41f107329b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4b85506a49295018df420c5724fdd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79bff952d1c90b0588aaed42d62fbc83.png)
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解答题-问答题
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困难
(0.15)
【推荐2】如图1,抛物线
与x轴交于A,B两点(点A位于点B的左侧),与y轴交于点C.已知
的面积是6.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/8d35d3ba-a1dc-4155-8018-fd5d0d490e40.png?resizew=321)
(1)求a的值;
(2)求
外接圆圆心的坐标;
(3)如图2,P是抛物线上一点,Q为射线
上一点,且P,Q两点均在第二象限内,Q,A是位于直线
同侧的不同两点,若点P到x轴的距离为d,
的面积为
,且
,求点Q的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c150e28fa46520c2caccb64e853bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/8d35d3ba-a1dc-4155-8018-fd5d0d490e40.png?resizew=321)
(1)求a的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)如图2,P是抛物线上一点,Q为射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9cc4de98250bee5e6bd85c1c1ba17b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57124599d0a72bf788f08ce442a85600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e705de89b12d92bfe47a88a8d201db6b.png)
您最近一年使用:0次
解答题-问答题
|
困难
(0.15)
真题
【推荐1】抛物线
与x轴交于点
,
,与y轴交于点C.
(2)如图,点D是抛物线上的一个动点,设点D的横坐标是
,过点D作直线
轴,垂足为点E,交直线
于点F.当D,E,F三点中一个点平分另外两点组成的线段时,求线段
的长;
(3)若点P是抛物线上的一个动点(点P不与顶点重合),点M是抛物线对称轴上的一个点,点N在坐标平面内,当四边形
是矩形邻边之比为
时,请直接写出点P的横坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b286a72a818ccc52e63581841da08dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
(2)如图,点D是抛物线上的一个动点,设点D的横坐标是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79b590e9d6b4c09ab768b417723a91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d84acd3c96e20c0ce064aac125f7fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
(3)若点P是抛物线上的一个动点(点P不与顶点重合),点M是抛物线对称轴上的一个点,点N在坐标平面内,当四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae0c90667270559afceb64409f3d2bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d65e051e943ab28fa57aee2fb57994.png)
您最近一年使用:0次
解答题-问答题
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困难
(0.15)
【推荐2】如图,已知抛物线y=
x2+bx+c与直线AB:y=
x+
相交于点A(1,0)和B(t,
),直线AB交y轴于点C.
(1)求抛物线的解析式及其对称轴;
(2)点D是x轴上的一个动点,连接BD、CD,请问△BCD的周长是否存在最小值?若存在,请求出点D的坐标,并求出周长最小值;若不存在,请说明理由.
(3)设点M是抛物线对称轴上一点,点N在抛物线上,以点A、B、M、N为顶点的四边形是否可能为矩形?若能,请求出点M的坐标,若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5743a3bf50e8146f519a7b4f32a958b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9658fb1429b9378cdeb5316778391c48.png)
(1)求抛物线的解析式及其对称轴;
(2)点D是x轴上的一个动点,连接BD、CD,请问△BCD的周长是否存在最小值?若存在,请求出点D的坐标,并求出周长最小值;若不存在,请说明理由.
(3)设点M是抛物线对称轴上一点,点N在抛物线上,以点A、B、M、N为顶点的四边形是否可能为矩形?若能,请求出点M的坐标,若不能,请说明理由.
![](https://img.xkw.com/dksih/QBM/2018/9/7/2027130944528384/2028249187164160/STEM/557e3e969bbe4c3292c73e52e14dc7d4.png?resizew=362)
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解答题-问答题
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困难
(0.15)
名校
【推荐3】如图1,在平面直角坐标系中,抛物线
与x轴交于A,B两点(点A在点B左侧),与y轴交于点
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/23d25630-3d01-4188-aada-2313ef9d2df9.png?resizew=589)
(1)求这个抛物线的解析式;
(2)如图2,点P为线段
上方抛物线上一动点,过P点作线段
的垂线交
于点R,作x轴的平行线交
于点Q,当
的周长最大时,请求出
周长的最大值及点P的坐标;
(3)在(2)的条件下,将抛物线y沿射线
方向平移
个单位到新抛物线
,M为新抛物线
与原抛物线y的交点,N为原抛物线对称轴上一点,S为平面上任意一点,是否存在点S使得以点M,N,P,S为顶点的四边形为菱形?若存在,请直接写出满足条件的S点的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345b67f9bd7bd80f8f52b1c7c55fb5f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/114460aab294eb99eec63e94b675216f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497e34cb645ed931bea31c5d4c558c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/23d25630-3d01-4188-aada-2313ef9d2df9.png?resizew=589)
(1)求这个抛物线的解析式;
(2)如图2,点P为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
(3)在(2)的条件下,将抛物线y沿射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
您最近一年使用:0次