如图1,△ABC中,∠A=30°,点P从点A出发以2m/s的速度沿折线A→C→B运动,点Q从点A出发以a(cm/s)的速度沿AB运动,P,Q两点同时出发,当某一点运动到点B时,两点同时停止运动.设运动时间为x(s),△APQ的面积为y(cm2),y关于x的函数图象由C1,C2两段组成,如图2所示,下列结论中,错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/aae7c0ce-945e-4f14-b8e2-2a104bfa3b2a.png?resizew=436)
A.α=1 |
B.sinB=![]() |
C.△APQ面积的最大值为2 |
D.图2中图象C2段的函数表达式为y=﹣![]() ![]() |
2018·河南周口·一模 查看更多[5]
2018年河南省周口市商水县中考数学模拟试卷(4月份)(已下线)【万唯原创】2019年安徽省中考数学-黑马卷特训-题型一(已下线)【万唯原创】2019年安徽省中考数学-黑马卷逆袭特训-题型特训题型1安徽省滁州市定远县城西六校2022-2023学年九年级下学期3月第一次检测数学试题2023年安徽省六安市金安区轻工中学中考数学二模试卷
更新时间:2018-09-05 22:34:25
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【推荐1】已知正
ABC的边长为2,E,F,G分别是AB,BC,CA上的点,且AE=BF=CG,设
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【推荐2】如图,
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