如图,在平面直角坐标系中,抛物线
(
)交
轴正半轴于点
,交
轴于点
,线段
轴交此抛物线于点
,且
,则
的面积是( )
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712446361837568/2722180778385408/STEM/fd1c755a-cadb-4041-983f-17bcbbccacf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff03debca04f9981f6bb8908725e33c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/05de5eef286a1b48012246c0cf88a1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72992bd796ca2e6ddfcd9922d061b79b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712446361837568/2722180778385408/STEM/fd1c755a-cadb-4041-983f-17bcbbccacf1.png)
A.6 | B.5 | C.4 | D.3 |
更新时间:2021-06-11 17:01:46
|
【知识点】 y=ax²+bx+c的图象与性质解读
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单选题
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较易
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【推荐1】已知抛物线
上有两个点
、
,且
,若
,则
与
的大小关系( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9082b5b1cae3ccc5bdf3b6043e6e69.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
(0.85)
【推荐2】如图是二次函数
(
,a,b,c为常数)的部分图象,该图象的对称轴是直线
,与
轴的一个交点
的坐标是
,则方程
的解是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/e4579921-6dbd-4158-a3ad-1bae7a41c6c2.png?resizew=117)
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A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次