已知三个不重合的点
均在抛物线
上,且
,点B,C在抛物线对称轴同侧.若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c843e3298326891e89e0c9c2cd6bc3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8352b2e643a7ce605334f1b0e572bfb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf07f592dfa6b05b75917d80e4e1c6ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93de10e0ef179d9030e453c9690bd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
21-22九年级下·江西九江·期中 查看更多[4]
江西省九江市九江实验学校2021-2022学年九年级下学期期中数学试题(已下线)专题21.15 二次函数与反比例函数章末十六大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(沪科版)(已下线)专题22.11 二次函数章末九大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题1.11 二次函数章末九大题型总结(培优篇)-2023-2024学年九年级数学上册举一反三系列(浙教版)
更新时间:2023-08-20 12:05:15
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【知识点】 y=ax²+bx+c的图象与性质解读
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,线段
的端点坐标分别为
,抛物线
(
为常数)和线段
只有一个公共点时,则符合条件的整数
的个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/6243d84d-cc84-4dff-9128-dfc191191d01.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b95a641438bb6176a2d6b1ed80ed36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9430c138a4f3fc628901dbf259bfd304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/6243d84d-cc84-4dff-9128-dfc191191d01.png?resizew=150)
A.7 | B.8 | C.9 | D.10 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】已知抛物线
(
,
,
是常数,
)经过点
,
,当
时,与其对应的函数值
.有下列结论:
①
;
②关于
的方程
有两个不等的实数根;
③
.
其中,正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832f2474efe89961ef41e884da7660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953bfeb398bab2b2ba61b3e6bf0a22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5319a0cddf5948bc18fb6662723d233.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
②关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9720d3eee116db2e0453c4aed41f7d.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fc7141c252f50fc427844264706f0b.png)
其中,正确结论的个数是( )
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次