1 . 已知抛物线
与y轴交于点
.
(1)求c的值.
(2)当
时,求抛物线顶点的坐标.
(3)已知点
,若抛物线
与线段
有两个公共点,结合函数图象,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25379db882e5bb573aa71f80e7ba6ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffe38683d2aedcb995f5e92faa8c35f.png)
(1)求c的值.
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0b300053931848c4e00f8c40cfe2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25379db882e5bb573aa71f80e7ba6ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
2 . 正方形的边长为4,当边长增加x时,面积增加y,求y与x之间的函数关系式.
您最近一年使用:0次
2023-09-08更新
|
250次组卷
|
2卷引用:吉林省长春经济技术开发区育隆学校2022-2023学年九年级下学期开学考试数学试题
3 . 如图,在矩形
中,
,
,
的平分线
与
交于点
,动点
从点
出发沿折线
向终点
运动,在边
上以
的速度运动,在边
上以
的速度运动.过点
作线段
与射线
相交于点
,且
,连接
.设点
的运动时间为
,
与四边形
重叠部分图形的面积是
.
(1)当点
与点
重合时,
的长为______![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
(2)当点
在
上运动时,直接写出
的长.(用含
的代数式表示)
(3)求
关于
的函数解析式,并写出自变量
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0296e95debd4bb13666830f537525648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778cdfe7346279f9695a745fb780e806.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/ebc2d9b900111188aca83126dff97f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9174c3b1324cf81098e42e0480bcc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ef42c38f7b2ce9c0c102ddfe0dfc2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418cb34a5390475fa6d36394282d2142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129f1d6567bef09b00b7f37894e6dba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacd892f03da01942140679667792250.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/8/ef092669-aa2a-481f-ae81-184547766652.png?resizew=127)
(1)当点
![](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/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
4 . 已知:如图,二次函数
与x轴交于点
和点
.
(1)求抛物线的解析式.
(2)当
时,求二次函数的最大值和最小值.
(3)点P是抛物线上一点,其横坐标为m,过点P作
轴,点Q的纵坐标为
,已知点P与点Q不重合,且线段
的长度随m的增大而减小.
①求m的取值范围.
②当
时,在线段
的右边作正方形
,直接写出正方形
与二次函数
的图象交点的个数及对应的m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c0c5cad5bc172406ed888808852f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d03fa28c117649b0fdfe17eed7b583.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/23/cb76bb7f-fd4d-4b90-9e5b-212bb3dae1cc.png?resizew=332)
(1)求抛物线的解析式.
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b6fd5a1dbb65cbe9bfe602c914a24f.png)
(3)点P是抛物线上一点,其横坐标为m,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f27083267432a9352fb6677a07d461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a675198d1f2d08fc76a5847f5996e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
①求m的取值范围.
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795fa5dfd2157f45352c099a0bba2ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd88b1871f59eb996edae77d3ab38ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd88b1871f59eb996edae77d3ab38ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c0c5cad5bc172406ed888808852f85.png)
您最近一年使用:0次
5 . 如图,在平面直角坐标系中,抛物线
(b、c是常数)经过点
、
.
(1)求此抛物线对应的函数解析式;
(2)当
时,求二次函数
的最大值和最小值;
(3)点P为此函数图象上任意一点,其横坐标为m,过点P作
轴,点Q的横坐标为1.以
为边向下作正方形
.
①当抛物线在正方形
内部的点的纵坐标y随x的增大而减小或y随x的增大而增大时,直接写出m的取值范围;
②当抛物线在正方形
内部(包括边界)的点的纵坐标之差的最大值等于2时,直接写出m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fe88412da03cc114f2250593293217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/10/3094e016-4c88-4d70-84b9-5dcf78ae7e8b.png?resizew=200)
(1)求此抛物线对应的函数解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/120b6dab105ef5caf08a9fffeb8d6e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
(3)点P为此函数图象上任意一点,其横坐标为m,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28144f4eee678c7f2688b21261149d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142afc99b39d047b60b49b8a89651847.png)
①当抛物线在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142afc99b39d047b60b49b8a89651847.png)
②当抛物线在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142afc99b39d047b60b49b8a89651847.png)
您最近一年使用:0次
6 . 在平面直角坐标系中,双曲线
与直线
交于点
.已知点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38426425f98e0b023daa44009cb125de.png)
,过点P作垂直于x轴的直线,交直线
于点B,交函数
于点C.
(1)求
,
的值;
(2)当
时,求出线段
与
的长度;
(3)直接写出当
时,
的面积的最大值﹒
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9212e728b36c078188606c9d429389d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651c4b1b8f1f54f0af97107020acf253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38426425f98e0b023daa44009cb125de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1517d66eadce34f902f47759787f198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9212e728b36c078188606c9d429389d6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/3/80664609-4eec-4eed-be39-e7f8be43a843.png?resizew=278)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(3)直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e055c09dd483441f948e1457eb026945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
您最近一年使用:0次
7 . 如图,某活动板房由矩形和抛物线构成,矩形的边长
,
,抛物线的最高点E到BC的距离为
.在该抛物线与
之间的区域内装有一扇矩形窗户
,点G、H在边
上,点F、K在该抛物线上.按如图所示建立平面直角坐标系.若
,则矩形窗户的宽
的长为______ m.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2de0126c416995c7d2c43ca1bd114c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb378df170f5a3badff58470c13fc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d4e816ae6762aa1ca2d7fa35dae15d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad7266a1e14d441e953a263ba9db770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8af631faecfebe362435a5f7c86237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/10/8b25a99a-c992-43b5-a9a6-fbe35cb39ccc.png?resizew=136)
您最近一年使用:0次
2023-06-08更新
|
428次组卷
|
3卷引用:2023年吉林省长春市朝阳区中考二模数学试题
2023年吉林省长春市朝阳区中考二模数学试题吉林省长春市二道区长春市第一〇八学校2023-2024学年九年级上学期12月月考数学试题(已下线)第10讲 实际问题与二次函数-【暑假自学课】2023年新九年级数学暑假精品课(人教版)
名校
8 . 如图,在平面直角坐标系中,抛物线
(b、c为常数)与x轴正半轴交于点
,与y轴交于点
.P是该抛物线上的任意一点,其横坐标为m,过点P作x轴的垂线,交直线
于点C,在该垂线的点P上方取一点D,使
,以
为边作矩形
,设点E的横坐标为
.
(1)求抛物线所对应的函数表达式.
(2)当
时,求矩形
的周长.
(3)当矩形
被x轴分成面积相等的两部分时,求m的值.
(4)当抛物线
在矩形CDEF内部(不包括边界)的图象的函数值y随自变量x的增大而减小时,直接写出m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c468dc5cc34c14a188493a21019e8f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e755804d23862a82d32bd7f901c23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6139f4d5b12257663fdb32726e2c7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6748272439478b92c615675b869cd52d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/22/f92f960b-6232-4e29-8fce-573ae6a8b1f0.png?resizew=201)
(1)求抛物线所对应的函数表达式.
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
(3)当矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
(4)当抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c468dc5cc34c14a188493a21019e8f83.png)
您最近一年使用:0次
9 . 如图,抛物线
经过
,
,
三点,D为直线
上方抛物线上一动点,过点D作
轴于点Q,
与
相交于点M.
于E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/66b6a9fa-7481-4cd0-ab7e-2674191876db.png?resizew=144)
(1)求抛物线的函数表达式;
(2)求线段
长度的最大值;
(3)连接
,是否存在点D,使得
中有一个角与
相等?若存在,请直接写出点D的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/051bd98a983974b86586f93ffb021bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95fc1f012a5b6ae4f4ed6b59c5129459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d6a83496abd272b7008d18de033986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d877f95a722958eb1042bcf29bfd561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675e5e245e13ce0658233bed7a7872e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd657e48b15b9b54a55817e2c26b22.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/66b6a9fa-7481-4cd0-ab7e-2674191876db.png?resizew=144)
(1)求抛物线的函数表达式;
(2)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17e587b7fcc3f7ef52c0a542141daa2.png)
您最近一年使用:0次
2023-05-12更新
|
484次组卷
|
7卷引用:2023年吉林省长春市第二十二中学九年级下学期月考试卷(3月份)
2023年吉林省长春市第二十二中学九年级下学期月考试卷(3月份)2023年安徽省合肥市六校联考中考一模数学试卷2023年安徽省马鞍山市雨山区中加双语学校中考一模数学试卷浙江省金华市东阳市江北初级中学等4校2022-2023学年九年级上学期12月月考数学试题(已下线)专题11 关于二次函数综合题(针对第22、23题)(真题5题模拟60题) -学易金卷:5年(2019-2023)中考1年模拟数学真题分项汇编(安徽专用)(已下线)2023年安徽一模二次函数综合22024年安徽省滁州市凤阳县Z中考一模数学试题
10 . 如图,在矩形
中,
,
,连接
.点P从点A出发,沿折线A→B→C向终点C运动,在
上的速度为每秒2个单位长度,在
上的速度为每秒
个单位长度;过点P作
于点E,交线段
或
于点F,连接
,
.设点P运动的时间为x秒,
与
重合部分的图形面积为y.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/ad3de4a5-50b9-4c98-ac2d-beff88a3f462.png?resizew=164)
(1)当点P在
上时,用含x的式子表示
的长,并写出x的取值范围.
(2)求y关于x的函数解析式,并写出x的取值范围.
(3)当点E为
的三等分点时,直接写出x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca0940f5c21431c089d4f7a221df43c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceff3844281849df3e37a2e56e110549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/ad3de4a5-50b9-4c98-ac2d-beff88a3f462.png?resizew=164)
(1)当点P在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(2)求y关于x的函数解析式,并写出x的取值范围.
(3)当点E为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
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3卷引用:2023年吉林省吉林市中考一模数学试题