七年級3-3正比與反比

七年級3-3正比與反比

7th Grade

12 Qs

quiz-placeholder

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七年級3-3正比與反比

七年級3-3正比與反比

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

蔡佩旻 蔡佩旻

Used 8+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者成正比?

一天 24 小時中,睡眠與醒著的時間

父親的年齡與體重

距離固定,車速和時間

圓的半徑和周長

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )下列各敘述中,何者成反比? 

當面積固定時,長方形的長與寬

)圓形的面積與半徑

當速率固定時,距離和時間

正三角形的周長與邊長

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )下列各式中,何者表示 x 與 y 成正比?

3x-4y=5

-3x+y=0

y=3x2

y=x/5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )若 x 與 y 成正比,當 x=5 時,y=60,則下列敘述何者正確?

x 與 y 的關係式為 y=12x

當 x=6 時,y=60 

當 x=6 時,y=12

當 y=6 時,x=2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )已知 x 與 y 成正比,y 與 z 成正比,若當 x=6 時,y=42,z=3,則當 z=8 時,x=? 

4

12

16 

24

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )下列何者 y 與 x 成反比? 

y=x/2

x-5y=10

 y=3x-5

1-3xy=5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )已知 x 與 y 成正比,y 與 z 成反比。若當 x=16 時,y=4,z=3,則當 z=60 時,x=? 

4/5

5/4

20

24

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