甲、乙两人沿相同的路线由
地到
地匀速前进,
、
两地间的路程为
.他们前进的路程为
,甲出发后的时间为
,甲、乙前进的路程与时间的函数图象如图所示.根据图象信息,现有下列结论:①乙比甲晚出发
;②乙的速度是
;③乙出发20分钟后追上甲;④当甲出发1.5小时时,甲乙两人相距
,其中结论正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe602366f921c3c0e58c3f524646be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32518b202b8acabbf5a54d928935bc28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16588d5599c5efddadb8fa07174f1f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a17c99f7f335cf62359b29a96fce822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fd3a92c33b54f46ad785198e3bda05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d89f5068ece88357dc65f9ad181cf6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/171630ba-d432-4bcd-9664-1f47d1dff0af.png?resizew=184)
A.1 | B.2 | C.3 | D.4 |
19-20八年级下·贵州铜仁·期末 查看更多[3]
贵州省铜仁市印江自治县2019-2020学年八年级下学期期末数学试题(已下线)第6章 一次函数-2021-2022学年八年级数学上册链接教材精准变式练(苏科版)(已下线)第6章 一次函数(基础、典型、易错、压轴)分类专项训练-2022-2023学年八年级数学上学期考试满分全攻略(苏科版)
更新时间:2020-09-02 20:28:43
|
【知识点】 从函数的图象获取信息解读
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【推荐1】如图,在平面直角坐标系
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A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】如图,图中折线表示张师傅在某天上班途中的情景:骑车离家行了一段路,由于车子出现故障,于是停下修车,修好车子后继续骑行,按时赶到单位.下列关于图中信息的说法中,错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/28b8c288-ed92-4072-b424-39ad2febcf01.png?resizew=333)
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