二次函数
的图象与
轴交于点
,与
轴的交点为
,对称轴为直线
.下列结论:
①
;
②过点
平行于
轴的直线与抛物线有唯一的公共点;
③若
,关于
的不等式
的解集为
;
④若
,点
,
在该抛物线上,当实数
,
.
其中正确的结论是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352b2e643a7ce605334f1b0e572bfb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b8c639c851e0044ee22020324c5570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679353e656a54993c041ebd39ec7b31b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727b2f9ed96487c6d08bc26e647f76d4.png)
②过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f921959ed20fd278fba4a13f5e3a54b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a5102bb8d5a56f5912f508286a0f4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81254eca1f80aaf3e24712e0ce36bce9.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24056490087d00500c8dd94a228132b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b30b8deecc0dcd019493bba4d4aa97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbd5d9997f4b92cf8be39e31f0c93ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
其中正确的结论是
更新时间:2023-08-08 15:46:01
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【推荐2】已知二次函数
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【推荐1】已知二次函数
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe875eb3d1b2ef02f5d87075f83eb2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf334523e6e3d697e5a40156b2a5add.png)
④方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90bf45f18d95ba729ad9e53f03c5d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e55e28a283a413e5cf7f8de1e1033a9.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bebfeb84b13b8cafada4045bb352967.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/e34bc107-2a08-49ed-95ab-3b047cba1c0d.png?resizew=163)
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【推荐2】如图所示,已知二次函数
的图象与x轴交于A,B两点,与y轴交于点C,对称轴为直线
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①
;②
;③
;④
;⑤
的解集为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
①
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