如图,在菱形中,
与
交于点O,
,
,点N为
中点,点P从点A出发沿路径
运动,过P作
交菱形的边于Q点在点P上方,连接
,
,当点Q与点N重合时停止运动,设
的面积为y,点P的运动距离为x,则能大致反映y与x函数关系的图象是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2024-03-19 08:11:10
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【推荐1】等腰梯形
中,
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,点
沿
运动,同时点
沿
运动,运动速度均为每秒1个单位,当两点相遇时,运动停止,则
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C.![]() | D.![]() |
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【推荐2】如图,
中,
,两动点M,N同时从点B出发,点M在边
上以
的速度匀速运动,到达点C时停止运动;点N沿
的路径匀速运动,到达点C时停止运动.
的面积
与点N的运动时间t(s)的关系图象如图所示.已知
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①N点的运动速度是
;②
的长度为
;③a的值为7;④当
时,t的值为
或9.
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①N点的运动速度是
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【推荐1】如图,点E是矩形ABCD边AD上的一个动点,且与点A、点D不重合,连结BE、CE,过点B作
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,
,
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A.当![]() ![]() ![]() | B.当![]() ![]() |
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【推荐1】如图所示,正方形ABCD的顶点B,C在x轴的正半轴上,反比例函数
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解题方法
【推荐2】将反比例函数y=
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