如图,题目中的黑色部分是被墨水污染了无法辨认的文字,导致题目缺少一个条件而无法解答,经查询结果发现,抛物线L的函数解析式为 已知抛物线L:
经过点
,
,
求抛物线L的函数解析式.
(2)将抛物线L向上平移m(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0a5216b1c8850c8eac70c4d960f369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
(3)如图,点 N为抛物线L的顶点坐标,若平移抛物线L的图象,使其顶点在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2644adfd183c79d186da8603ff49fef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f49a1e40b4c6cecfc97feb2447be10a.png)
2024·河南许昌·二模 查看更多[1]
更新时间:2024-05-24 17:11:07
|
相似题推荐
解答题-问答题
|
较难
(0.4)
名校
【推荐1】如图,已知抛物线
:
与x轴交于A,B两点(A在B的右边),
,且该抛物线经过点
.
![](https://img.xkw.com/dksih/QBM/2021/3/14/2677855068479488/2681224639668224/STEM/b25cb39a-eac4-4c42-af74-2219145cac73.png?resizew=632)
(1)求抛物线的解析式;
(2)将抛物线
向右平移n(n>0)个单位长度得到抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
①设
交线段MA于点N,且
:
=2:3,求n的值;
②设
的顶点为T,与x轴右边的交点为R,若
,求n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d039de5bf810e3ff6b0b6096fa48d462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c834a94d97e8226fac8e37451f8bf93.png)
![](https://img.xkw.com/dksih/QBM/2021/3/14/2677855068479488/2681224639668224/STEM/b25cb39a-eac4-4c42-af74-2219145cac73.png?resizew=632)
(1)求抛物线的解析式;
(2)将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
①设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd01f42fb3a32087df02fecdcb193d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea85835f8e0bb4702d7d1566d416e22c.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218320cced119f66692f51bd9a142f20.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
【推荐2】如图,已知抛物线
与
轴交于点
,与
轴交于点
和点
.
(1)求抛物线的解析式;
(2)求直线
的解析式;
(3)若点
是抛物线上的动点,过点
作
轴,垂足为
,以
,
,
为顶点的三角形是否能够与
相似(排除全等的情况)?若能,请求出所有符合条件的点
的坐标;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0d7342c1833f2dcba2fcecdca1781d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求抛物线的解析式;
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150cbaad560246d84e6411c69dfb6718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/5/422b7729-5246-4ab6-afcb-0db584be175d.png?resizew=162)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】若二次函数
过点
,
.
(1)求
,
满足的数量关系式;
(2)若二次函数
过点
;
①求
;
②将二次函数
的图像平移,得到新的抛物线
,其中
是点
的对应点.设点
的坐标为
,若点
在抛物线
上,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0b77250e4aa0d6013fe8765b7a603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40630a669f4eedf626bc24851df10c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1b1a4c511c8b18d7e6301a0122fa92.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②将二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031398bed2261809f175351c915efb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】将抛物线
向左平移2个单位,再向下平移1个单位得到抛物线
.A是抛物线
的顶点.
![](https://img.xkw.com/dksih/QBM/2022/12/17/3132725875695616/3134912270778368/STEM/42785d979c9d4579959bed91d8d53681.png?resizew=537)
(1)直接写出抛物线
的解析式和顶点A坐标;
(2)如图2,点P在抛物线
的对称轴上,点Q在抛物线
上,连接
,若线段
的最小值为
,求点P的坐标;
(3)如图3,过点B
的直线
交抛物线
于M,N两点(点M在对称轴的左侧).若
的面积是
面积的3倍,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2022/12/17/3132725875695616/3134912270778368/STEM/42785d979c9d4579959bed91d8d53681.png?resizew=537)
(1)直接写出抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)如图2,点P在抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a7b702ada1dd80123e4041271d521.png)
(3)如图3,过点B
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f76d79ebbdbe7a62ff3ee668807760f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7ad41b36674fd6e90176ee24cdefbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】如图1,在平面直角坐标系中,O为坐标原点,抛物线
与x轴交于点
,
两点,交y轴于点C.
(1)求抛物线的解析式;
(2)如图2,连接BC,点P为
下方抛物线上一点,连接
,若设
的面积为S,点P的横坐标为t,求s与t的函数关系式(不要求写出自变量t的取值范围);
(3)在(2)的条件下,如图3,点Q为
上一点,连接
并延长交x轴于点E,延长
至点D,连接
交x轴于点M,
,点M为
中点,连接
,点F在
上,连接
,
交
于点K,连接
平分
交
于点H,
交
于点T,
于点G,若
,
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77527caa01efcfc28dadcc959af94e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a417116c509111e4e76f5464258ddf2a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/25e67e08-f76b-4c07-ad04-e4a9edc0e99b.png?resizew=487)
(1)求抛物线的解析式;
(2)如图2,连接BC,点P为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3298b828ff42990443e8bf33f78b1a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
(3)在(2)的条件下,如图3,点Q为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a09b53ed83b87e40a88c096693543bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766164ce8c0ddfa7267ff0057085dff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a09b53ed83b87e40a88c096693543bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ee830d05e9becae912818910196fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5613b27531a6593080954b4e3a452b5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90a1e52b81815095ad1bdfb02704af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8684b6c8748bf6716986e9093380b4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaea4c04cd715dc404b3a911d0a79620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddcef9a5e5564b852f51740f5e46aba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79ec501bfb40c36dfa57d63c4059536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30401ff2e4b1fcda212fac6893dadd3.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知抛物线
的顶点
.
(1)求
点的坐标
用含
的式子表示
;
(2)当抛物线的顶点
在
轴上,且与
轴交于
,
两点
点
在点
的左侧
时,是否存在直线
满足以下三个条件:
①
与抛物线相交于点
,
点
在点
的左侧
,且与线段
交于点
;
②
;
③将
的面积分成
:
的两部分,若存在,求出直线
的解析式;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4740d6afc00509f2e19d88aad6354f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(2)当抛物线的顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.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/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f1b015387dbf9a6e2a1b853cd7fc45.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/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f83a7e9e840fe8e723db1ab770419e.png)
③将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次