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CH5 exam

Authored by 王筱娟 王筱娟

Mathematics

7th Grade

Used 11+ times

CH5 exam
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小靖某次段考共考八科,其中數學考95分,其他七科平均x分,結果八科總分不到720分,依此情境可以列出下列哪一個不等式?

7x+95<720

7x+95>720

7x+95>625

 7x95625

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知xayb,則下列敘述何者錯誤

x+4>a+3

 y-3>b-2

2x>2a

y/3 >b/3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

如果不等式ax+1>3的解為x<-1,則a的值為多少? 

-2

-1

1

2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列何者是一元一次不等式

2x-1=0

 x-3y=2

x-2>0

x3yy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小琪全廉超市買2包115元的衛生紙及4瓶x元的汽水,其花費不超過300元,則依題意可列出不等式為何?

115+4x>300

 115×2+4x>300

115+4x ≤ 300

115×2+4x ≤ 300

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

不等式3x+8<2x-1的最大負整數解為多少?

-9

-10

-11

-12

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

不等式2x-1 ≤ 3的解為xa,則a

1

2

-1

-2

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