如图,抛物线
与
轴交于点
,顶点坐标为
,与
轴的交点在
,
之间(包含端点).有下列结论:①
;②
;③
;④当
时,
,⑤
.其中正确的有( )
![](https://img.xkw.com/dksih/QBM/2020/11/19/2596297653952512/2600672486039552/STEM/84e364cc-67c5-4f3d-a0b3-8608fbfcf666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa285de4d015f208441ffe9a84bbd780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e7ef804eeb23618fbf91ead47587f2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d1ae21ccb12515d6b7874fa8899baf.png)
![](https://img.xkw.com/dksih/QBM/2020/11/19/2596297653952512/2600672486039552/STEM/84e364cc-67c5-4f3d-a0b3-8608fbfcf666.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-11-25 18:24:37
|
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【推荐1】若二次函数
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名校
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是关于x的方程
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