1 . 如图所示,在直线坐标系xoy中,抛物线段ARB对应的函数解析式为
,其中A,B分别为抛物线段与x,y轴的交点,
为抛物线段上任意一点,过R点的直线PQ与抛物线段ARB相切,与x轴交于点P,与y轴交于点Q,过B作BC平行于x轴,与直线PQ交于C,则以下错误的是( )
![](https://img.xkw.com/dksih/QBM/2022/2/26/2924931079036928/2947304363499520/STEM/73f1fc28-ee0f-4632-8a15-f94091126f05.png?resizew=111)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a075f7c90021a1befea7fbfe1198ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b79ca81f286d8aeed52f91ee13ce0d8.png)
![](https://img.xkw.com/dksih/QBM/2022/2/26/2924931079036928/2947304363499520/STEM/73f1fc28-ee0f-4632-8a15-f94091126f05.png?resizew=111)
A.直线PQ的方程为![]() |
B.抛物线段ARB的长度大于![]() |
C.抛物线段ARB与坐标轴围成的面积大于1 |
D.三角形POQ的面积取得最小值时,![]() |
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