如图1,已知二次函数
(a、b、c为常数,a≠0)的图象过点O(0,0)和点A(4,0),函数图象最低点M的纵坐标为
,直线l的解析式为y=x.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/18/c155bfcc-20a1-4136-83b9-b6295a17ebf5.png?resizew=590)
(1)求二次函数的解析式;
(2)直线l沿x轴向右平移,得直线l′,l′与线段OA相交于点B,与x轴下方的抛物线相交于点C,过点C作CE⊥x轴于点E,把△BCE沿直线l′折叠,当点E恰好落在抛物线上点E′时(图2),求直线l′的解析式;
(3)在(2)的条件下,l′与y轴交于点N,把△BON绕点O逆时针旋转135°得到△B′ON′,P为l′上的动点,当△PB′N′为等腰三角形时,求符合条件的点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac8b0eb4aa1cbe23125aa2f6d35337c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7cdb7dfed1c218f646b4e280f12b66.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/18/c155bfcc-20a1-4136-83b9-b6295a17ebf5.png?resizew=590)
(1)求二次函数的解析式;
(2)直线l沿x轴向右平移,得直线l′,l′与线段OA相交于点B,与x轴下方的抛物线相交于点C,过点C作CE⊥x轴于点E,把△BCE沿直线l′折叠,当点E恰好落在抛物线上点E′时(图2),求直线l′的解析式;
(3)在(2)的条件下,l′与y轴交于点N,把△BON绕点O逆时针旋转135°得到△B′ON′,P为l′上的动点,当△PB′N′为等腰三角形时,求符合条件的点P的坐标.
2017·四川南充·中考真题 查看更多[12]
2017年初中毕业升学考试(四川南充卷)数学(已下线)2年中考1年模拟 第三篇 函数 专题15 二次函数的应用(已下线)决胜2018中考压轴题全揭秘 专题22 分类讨论(已下线)决胜2018中考压轴题全揭秘 专题19 几何变换综合题【专题突破训练】浙教版九年级数学上册 第一章 二次函数 单元检测试题北师大版九年级数学下册 第二章 二次函数 单元评估检测华东师大版九年级数学下册期末专题: 第26章 二次函数 单元检测试题2019年山东省德州市宁津县九年级下学期第二次模拟数学试题2019年山东省德州市夏津县九年级下学期第二次练兵数学试题(已下线)专题22.57 《二次函数》挑战综合(压轴)题分类专题(二)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(人教版)(已下线)专题5.51 《二次函数》挑战综合(压轴)题分类专题(二)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(苏科版)(已下线)专题2.57 二次函数(挑战综合(压轴)题分类专题)(二)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)
更新时间:2017-09-14 11:08:12
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解答题-问答题
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(0.4)
【推荐1】如图,在平面直角坐标系中,一次函数
与二次函数,
交于点
,
两点.
(1)求一次函数
和二次函数
的解析式.
(2)点P是二次函数图象上一点,且位于直线
上方,过点P作y轴的平行线,交直线
于点Q,求当
面积最大时,点P的坐标.
(3)点M在二次函数图象上,点N在二次函数图象的对称轴上,若以点A、B、M、N为顶点的四边形是平行四边形时,求点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71acf35bb0952c2abba601707d000c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27149c9ff20937492950f42084caa019.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/13/18d0a68f-cba5-406b-87a6-f687aa955c7a.png?resizew=326)
(1)求一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71acf35bb0952c2abba601707d000c0.png)
(2)点P是二次函数图象上一点,且位于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
(3)点M在二次函数图象上,点N在二次函数图象的对称轴上,若以点A、B、M、N为顶点的四边形是平行四边形时,求点M的坐标.
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【推荐2】已知抛物线
经过点
,与
轴交于
,
两点,与
轴交于
点
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/24/8d1af8d8-34b0-41fb-a996-23397c390729.png?resizew=309)
(1)求抛物线
的解析式;
(2)如图1,
为直线
上方抛物线
上的动点,过
点作
于点
,若
,求
点坐标;
(3)如图2,将抛物线
沿
轴平移得
,使
的顶点落在
轴上,若过定点
的直线交抛物线于
、
两点,过
点的直线
与抛物线交于点
,求证:直线
必过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00eefc25466e319279de7a8aaa7be4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5499025dd5fd8fa5ee50c72064284f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.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/2023/10/24/8d1af8d8-34b0-41fb-a996-23397c390729.png?resizew=309)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc56fdf70e65bd88980c64af96b83da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8beacc5d901b76dca6435c94772ec1d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)如图2,将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07aadc8ec08fbc3efc7e6fea2860236f.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/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
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解答题-作图题
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名校
【推荐1】如图,在等边
中,点D是线段
上一点作射线
,点B关于射线
的对称点为E,连接
并延长,交射线
于点F.
![](https://img.xkw.com/dksih/QBM/2022/10/28/3097321859776512/3097563712585728/STEM/a75b70b1f6604dd69c7a5a20f6068bc7.png?resizew=180)
(1)补全图形
(2)用等式表示线段
之间的数量关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/2022/10/28/3097321859776512/3097563712585728/STEM/a75b70b1f6604dd69c7a5a20f6068bc7.png?resizew=180)
(1)补全图形
(2)用等式表示线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce65196bdbc1dd1df8ac26cf90091d40.png)
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名校
【推荐2】已知:如图,一次函数
的图象分别与x轴、y轴相交于点A、B,且与经过点
的一次函数
的图象相交于点D.点D的横坐标为4,直线
与
轴相交于点E.
(1)直线
的函数表达式为:__________;(直接写出结果)
(2)点Q为线段
上的一个动点,连接
.
①若直线
将
的面积分为
两部分,试求点Q的坐标;
②点Q是否存在某个位置,将
沿着直线
翻折,使得点D恰好落在直线
下方的坐标轴上?若存在,请直接写出点Q的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c682405d9bcca65e257ac37ba07d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eae074b97ec3ff58fbd9d556aea81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/3b334a0a-0d9e-4a4c-a2f9-69b39f6971f5.png?resizew=284)
(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)点Q为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
①若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d65e051e943ab28fa57aee2fb57994.png)
②点Q是否存在某个位置,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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【推荐1】如图①,在平面直角坐标系中,抛物线
经过点A和
(点A在点 B的左侧),与y轴相交于点 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9540165f01d0e9ba873b906d5036f00.png)
(2)点 D为抛物线的顶点,点P在抛物线的对称轴上(不与点D 重合),将线段
绕点P 顺时针旋转
,点 D 恰好落在抛物线上的点Q处.
①点 D的坐标为 .
②求点 Q的坐标.
(3)如图②,将图①中抛物线在x轴下方部分图象沿x轴折叠到x轴上方,与原抛物线在x轴上方的图象组成新的图象.
①当
时,图象所对应的解析式为 .
②再将新图象沿x轴向左平移m个单位长度,若平移后的图象在
范围内,y随x的增大而增大,直接写出m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c31a1a52ec76548a30e34b23df07f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7626f57f20b986133ccfda94bfbd1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9540165f01d0e9ba873b906d5036f00.png)
(2)点 D为抛物线的顶点,点P在抛物线的对称轴上(不与点D 重合),将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365822bd3945e6a3e871ca979c84cc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
①点 D的坐标为 .
②求点 Q的坐标.
(3)如图②,将图①中抛物线在x轴下方部分图象沿x轴折叠到x轴上方,与原抛物线在x轴上方的图象组成新的图象.
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
②再将新图象沿x轴向左平移m个单位长度,若平移后的图象在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8b527865aefa9186462f2ad4a72617.png)
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【推荐2】如图,
是等腰直角三角形,
,
,点D是
上任意一点,点H是射线
上一点,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/29/458b32c9-fe84-40e1-b9c5-9b4082f5a0f2.png?resizew=562)
(1)如图1,当点H在线段
上时,若
,
,
,求
的长;
(2)如图2,将
绕点D顺时针旋转
得到
,连接
,连接
和
相交于点M.求证:
;
(3)如图3,连接
,将
沿
翻折得到
,连接
,若点F是
的中点,且
,
,当
取最小值时,求
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/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b14d3592ea0c66fe989973a85e75b6f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/29/458b32c9-fe84-40e1-b9c5-9b4082f5a0f2.png?resizew=562)
(1)如图1,当点H在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc16a9467a6de4ff5cfccc4316ae871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c406e7d1e7977dd5b30ef81cfdc8e8d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96700d5c1548d4228eb6495254e38805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0ae50d5993a332b5cddb022eaa6f1e.png)
(2)如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f66ee1164e6972221f7b562f0e6caf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b0beed78d69acf9bcc48a9ce712930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d5d46c18a9799166e417824e2ada6b.png)
(3)如图3,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e50ffaba29591d84ffa294bb817acae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88c6de1903f0783e762ae6b1fcf1e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b435d7fc33860ae191f9111d880b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b435d7fc33860ae191f9111d880b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2aabb3232e9ffabad9def25515cbdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e3ac6109fe43965b2264702a60b3b5.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐1】如图,四边形
的顶点坐标分别为
,
,
,
,抛物线经过
,
,
三点.
![](https://img.xkw.com/dksih/QBM/2022/5/25/2986847800180736/2989199146868736/STEM/2ff3ccce171b4de48ec36446226ddc31.png?resizew=188)
(1)求证:四边形
是矩形;
(2)求抛物线的解析式;
(3)
绕平面内一点
顺时针旋转
得到
,即点
,
,
的对应点分别为
,
,
,若
恰好两个顶点落在抛物线上,请直接写出
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f0c463dcd546b5769ddf67d998dae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fd742fd6c46d163e64ccdd0d5a249a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65ee712a3601f42db09c023e70710e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e4ca0d953d8ea7992dd388eb470e6e.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2022/5/25/2986847800180736/2989199146868736/STEM/2ff3ccce171b4de48ec36446226ddc31.png?resizew=188)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8735e2de0ec29640d1eff9e043556030.png)
(2)求抛物线的解析式;
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3729dbf870593b9c5500a494995bd2f9.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3729dbf870593b9c5500a494995bd2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】如图,已知一次函数y=
x+m的图象与x轴交于点A(﹣4,0),与二次函数y=ax2+bx+c的图象交于y轴上一点B,该二次函数的顶点C在x轴上,且OC=2.
(1)求点B坐标;
(2)求二次函数y=ax2+bx+c的解析式;
(3)设一次函数y=
x+m的图象与二次函数y=ax2+bx+c的图象的另一交点为D,已知P为x轴上的一个动点,且△PBD是以BD为直角边的直角三角形,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
(1)求点B坐标;
(2)求二次函数y=ax2+bx+c的解析式;
(3)设一次函数y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://img.xkw.com/dksih/QBM/2018/11/11/2073490685075456/2075216894976000/STEM/c11ec762fd1544c7be5b0b65b007788a.png?resizew=164)
您最近一年使用:0次