已知二次函数
,
是不为0的常数.
(1)除0以外,不论
取何值时,这个二次函数的图像一定会经过两个定点,请你求出这两个定点;
(2)如果该二次函数的顶点不在直线
的右侧,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00807d3a9314d7931ae18d6dfd076469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)除0以外,不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)如果该二次函数的顶点不在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a955ba5c572b82d3695c86833c82ce11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
12-13九年级上·浙江杭州·期中 查看更多[3]
更新时间:2016-12-05 17:25:36
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【知识点】 y=ax²+bx+c的图象与性质解读
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解答题-问答题
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适中
(0.65)
【推荐1】已知抛物线
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(2)当
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____________;
(3)当m在不断增大时,
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(1)当
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(2)当
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您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,抛物线
与x轴交于A、B两点,与y轴交于点C.
![](https://img.xkw.com/dksih/QBM/2014/3/4/1573711082201088/1573711088238592/STEM/15e5f5a02e4340ea999017ae165d8437.png)
(1)分别求出点A、B、C的坐标;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d205be333ec9086468c74b613bee63.png)
![](https://img.xkw.com/dksih/QBM/2014/3/4/1573711082201088/1573711088238592/STEM/15e5f5a02e4340ea999017ae165d8437.png)
(1)分别求出点A、B、C的坐标;
(2)设抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d205be333ec9086468c74b613bee63.png)
您最近一年使用:0次