抛物线
(a、b、c是常数,
)的对称轴是直线
,图象与x轴一个交点横坐标在-2和-1之间.下列四个结论:①
;②
;③若点
,点
在该抛物线上,则
;④若一元二次方程
的根为整数,则p的值有3个.其中正确的结论是________ (填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e871e6cdd2ea108c7235cab3bfecd856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a395a7795e783b4596bef9775d02ed6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cc6b9d87d76c6392e8842bf9a9e9b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15fd55ed451b6295c662245346e57499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b2ba68dd03790751aef8b58bb1a8d3.png)
2022高一·全国·专题练习 查看更多[1]
(已下线)专题03 一元二次方程与二次函数的图象、性质-2022年暑假初三升高一数学衔接知识自学讲义(人教A版2019)
更新时间:2022-06-21 22:31:28
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【知识点】 函数
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【推荐1】如图,点A是函数
图象上一点,点B是函数
图象上一点,点C在x轴上,连接
,
,
.若
轴,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730a444591625ec2da68cd45640cbc0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1203412a38bd38614e41ceafe6b919f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ecbb94ac8dfe5fbc3bffad8c9da301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6226538466a9616f1c0ca1075d89d7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/6cb733c2-6975-4901-8b5d-947b6628e917.png?resizew=165)
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