解题方法
1 . 已知二次函数
(
、
、
为常数,
)的图象开口向下,对称轴为直线
,且与
轴的一个交点在点
,
之间,下列结论正确的是______ (填写序号).
①
;②
;③
(m是一个常数);
④方程
(m是一个常数)的根为
,
,则
.
![](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/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd2336e50c0afb3e8e73a6ea9070ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c21bd0bd90a89b7ff5ac0eacf612a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54d15b35d41cbf25d6830c5f2a79884.png)
④方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64d1be241deba646016e4096cd844bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e961de5484a66c06c6ef9ec118ac83.png)
您最近一年使用:0次
名校
解题方法
2 . 关于函数
有下列结论:①其表达式可写成
;②直线
是曲线
的一条对称轴;③
在区间
上单调递增;④存在
使
恒成立.其中正确的是______ (填写正确的番号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7a14dcaf4d80e43b46f703dc7703fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53edd879fecc08ea441ec4053c365d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb2133a8576a013055f8fab50f52c215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04f5684d862b1be1f8883838fa93b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304f02306c0cf5f59f2d13293d02dd59.png)
您最近一年使用:0次
2022-02-13更新
|
1011次组卷
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5卷引用:四川省凉山州宁南中学2021-2022学年高一下学期开学考试数学试题
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