在平面直角坐标系
中,已知L1:
经过点
,点
.
(1)求
的解析式.
(2)将
向左平移6个单位长度,再向上平移2个单位长度得到
,求
的解析式.
(3)若点
,
,
,
在
上,且
,将
上方抛物线沿
翻折,翻折后得到一个新图象.当这个新图象与过点
且平行于
轴的直线恰好只有2个公共点时,请直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0339183bcf62e133e4064893b3db9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb785b95367330a8ddaa5951d97a2f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca280ccbf4426a4e3837e03ac8791d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf51569bccb5760ae7c092be9a5bb4e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbd49bf20f987c05b4d36e31549075c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbd49bf20f987c05b4d36e31549075c.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e743e9dd8d3666f934faf6771dcdce31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b33baf3a1c3c89e8ed3c1ede7cc197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222073dfd723d8f6602a7c1455d338b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b33baf3a1c3c89e8ed3c1ede7cc197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa71aa2ea224669698850108751a71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2023·河南许昌·一模 查看更多[2]
更新时间:2023-04-19 15:08:02
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】在平面直角坐标系xOy中,抛物线y=x2﹣2x﹣3与x轴相交于A,B(点A在点B的左边),与y轴相交于C.
(1)求直线BC的表达式.
(2)垂直于y轴的直线l与直线BC交于点N(x1,y1),与抛物线相交于点P(x2,y2),Q(x3,y3).若x1<x2<x3,结合函数图象,求x1+x2+x3的取值范围.
(1)求直线BC的表达式.
(2)垂直于y轴的直线l与直线BC交于点N(x1,y1),与抛物线相交于点P(x2,y2),Q(x3,y3).若x1<x2<x3,结合函数图象,求x1+x2+x3的取值范围.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】二次函数的图象的顶点坐标是(-2,3),它与y轴交点的坐标是(0,-3),求这个二次函数的解析式.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】抛物线
顶点
,与x轴交于A、B两点,且
.
(1)求y1的解析式及A、B间距离.
(2)将x轴向下平移n个单位后得新坐标系,此时x轴与抛物线交于C、D两点,且
.求出新坐标系下抛物线
的解析式及n值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b4d87e5352d9322009e4d62b797c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8950c7bc835103d52ceffab14b6b31a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/17/e0e44e8a-4915-4119-97d7-3a8a0a8e9267.png?resizew=165)
(1)求y1的解析式及A、B间距离.
(2)将x轴向下平移n个单位后得新坐标系,此时x轴与抛物线交于C、D两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8cc58ef27567f0ab06eb1012aec330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】已知二次函数
.
(1)将
化成
的形式;
(2)抛物线
可以由抛物线
经过平移得到,请写出一种平移方式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea47f0d05aa53100f96afbf911d7254a.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea47f0d05aa53100f96afbf911d7254a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ddc0a29bfef85c1441d02ff117a183.png)
(2)抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea47f0d05aa53100f96afbf911d7254a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108c18cb76d7d34b05c991a644c8b136.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图1,抛物线
与
轴相交于点
、
,对称轴是直线
,点
是抛物线的顶点,直线
与
轴交于点
.
(2)若点
是
轴上一动点,分别连接
,求
的最小值;
(3)点
是直线
上方抛物线上一点,连接
交
于点
,若
,如图2,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d8de071a9c22c96a59b172d76c127e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d57173ef4cd72eb270686875dfd623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffcf1041a6a11bfd41937154eab7f318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e04d7df8b73a8d8731f1b9d169977c8.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697911f44f21fd9305307e526f55df52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,拋物线
与
轴交于
两点,与
轴交于点
.
是拋物线上的任意一点(不与点
重合),点
的横坐标为
,拋物线上点
与点
之间的部分(包含端点)记为图象
.
(1)求拋物线的解析式;
(2)当
符合什么条件时,图象
的最大值与最小值的差为4?
(3)当
时,若图象
与平行于
轴的直线
有且只有一个公共点,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233d5ad38afedd7e83084dc41a34eb5c.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/23/eb8097b2-d746-41d6-8369-8c4c58d6c3ea.png?resizew=309)
(1)求拋物线的解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814fef45a1f56a603507946bfe4a8f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次