在平面直角坐标系中,抛物线
与
轴交于点
,顶点
在第三象限,点
关于抛物线对称轴的对称点为点
,
.
(1)求
的值;
(2)抛物线与
轴正半轴交于点
,顺次连接
、
、
、
,形成四边形
,点
在抛物线上,若直线
将四边形
分割成面积相等的两部分,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108d742af3f29c901e4d6154b21ad59a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)抛物线与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
2023·云南文山·一模 查看更多[1]
更新时间:2023-04-15 16:59:33
|
相似题推荐
解答题-问答题
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适中
(0.65)
【推荐1】在平面直角坐标系
中,点
,
在抛物线
上.
(1)如果
,那么拋物线的对称轴为直线__________;
(2)如果点
、
在直线
上,求拋物线的表达式和顶点坐标;
(3)在(2)的条件下,直接写出不等式
的解集.
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(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
(2)如果点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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(3)在(2)的条件下,直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91073e71f3f01825bf727ed00336e7d7.png)
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解答题-问答题
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适中
(0.65)
【推荐2】在平面直角坐标系
中,二次函数的图像的顶点D的坐标为
,该图像与x轴相交于点A、B,与y轴相交于点C,其中点A的横坐标为1.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/f82bee64-b558-4168-96e1-ca8e25c50ecf.png?resizew=163)
(1)求该二次函数的表达式;
(2)若点
是该二次函数的图像上一动点,求
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/f82bee64-b558-4168-96e1-ca8e25c50ecf.png?resizew=163)
(1)求该二次函数的表达式;
(2)若点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9817a48b819ab971e79bad7b20250294.png)
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解答题-问答题
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适中
(0.65)
【推荐1】如图,在矩形
中,
.动点P在边
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,连接
,
.设点P的运动时间为
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与
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/15/46524a59-0781-4304-9ab4-9d0838d926af.png?resizew=372)
(1)当
__________s时,点Q与点C重合;
(2)①求y关于x的函数关系式,并写出自变量x的取值范围;
②在点P的运动过程中,是否存在y的最大值,若存在,请求出最大值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/15/46524a59-0781-4304-9ab4-9d0838d926af.png?resizew=372)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
(2)①求y关于x的函数关系式,并写出自变量x的取值范围;
②在点P的运动过程中,是否存在y的最大值,若存在,请求出最大值;若不存在,请说明理由.
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适中
(0.65)
名校
【推荐2】已知二次函数
的图象经过坐标原点,与
轴交于点
.
(1)求二次函数的解析式;
(2)若在抛物线上存在点
,满足
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca4bd8d9bb6d3a84a263fd20cd9416b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/15/cd79e660-2a46-494c-b04b-6c39da36ac9c.png?resizew=168)
(1)求二次函数的解析式;
(2)若在抛物线上存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec04ac025ce6e20a85ec31439cd6bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次