如图(1),金桥公园是省城太原一座综合性城市公园,该公园最大的亮点是中心湖配备的功能强大的音乐喷泉,喷泉呈拁物线型,最高可喷60米高.如图(2),是两个连续喷泉,建立平面直角坐标系后,它们关于
轴对称,
轴左侧喷泉可用![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9b0179c4cee650e91e2c2f29815b77.png)
表示,则两个喷泉最高点之间的距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/37f43b00-a0bf-4b80-b7e3-205ba45d5058.png?resizew=120)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9b0179c4cee650e91e2c2f29815b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e20b1c58563e6bdeffe566f025c053.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/98f593b5-c5c4-4f58-9496-10196e75d222.png?resizew=103)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/37f43b00-a0bf-4b80-b7e3-205ba45d5058.png?resizew=120)
A.104米 | B.52米 | C.26米 | D.120米 |
2024·山西晋城·二模 查看更多[1]
更新时间:2024-04-09 15:19:10
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【知识点】 y=ax²+bx+c的图象与性质解读
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【推荐1】已知
、
、
是二次函数
图象上的三点,则
、
、
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520f445dad5a6c303bf75555ef44f4af.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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较易
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【推荐2】已知抛物线
经过
和
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5be3c0c8f78329ab56a9bf71ac0b238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a75aaf2b96de353cd12cc51f69e480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0238277d6a047eef5f3e65bde6438a7.png)
A.![]() | B.![]() | C.2 | D.4 |
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