已知抛物线
与x轴交于点
,与y轴交于点C,且满足
,结合图象分析下列结论:①
;②方程
有两个不相等的实数根;③点
在抛物线上,则
;④一次函数
满足
,则一次函数的图象与抛物线总有公共点.其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352b2e643a7ce605334f1b0e572bfb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e24ea4c1862c86052cf738a2579b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fd839b7abb70e13b451cb17636521c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb277a6661e05efea74600a20d0b896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5464dc3bd349a216296fbaa879ae47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70d2a815fcec8e24f523e4a4b75fd50b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/25/4ff439c0-6450-44dd-b31b-9226d9e1d920.png?resizew=175)
A.1个 | B.2个 | C.3个 | D.4个 |
2023·辽宁丹东·一模 查看更多[1]
更新时间:2023-05-12 07:56:44
|
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【推荐1】如图,是抛物线
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