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第十九章一次函数

Authored by Xiaoli Zhao

Mathematics

8th Grade

Used 4+ times

第十九章一次函数
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

哪张图中y不是x的函数?

Graph 1
Graph 2
Graph 3
Graph 4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1个

2个

3个

4个

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

如图1,小亮家,报亭,羽毛球馆在一条直线上,小亮从家跑步到羽毛球馆打羽毛球,再去报亭看报,最后步行回家。小亮离家的距离y与时间x之间的关系如图2所示。下列结论错误的是:

小亮从家到羽毛球馆用了7分钟

小亮从羽毛球馆到报亭平均每分钟走75米

报亭到小亮家的距离是400米

小亮打羽毛球的时间是37分钟

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下给出的几个函数关系中,成正比例函数关系的是

圆的面积和它的半径

工作总量一定,工作时间和工作效率

长方形面积一定,它的长和宽

匀速运动中,路程与时间

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

图象过(0,0)

图象过二、四象限

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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