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toán

Authored by Linh Khánh

Mathematics

University

Used 1+ times

toán
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

phương trình (4+2x)(x-1)=0 có nghiệm là

A.x=1;x=2

B.x=−2;x=1

C.x=−1;x=2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phương trình ( (x - 1) )(x - 2) )(x - 3)= 0 có số nghiệm là:

A.1

B.2

C.3

D. 4

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A.m=0 hoặc m=7

B.m=1 hoặc m=−7

C.m=0 hoặc m=−7    

D.m=−7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A.x≠3

B.x≠2

 C.x≠−3  

D.x≠−2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A.x≠−1;x≠−2

B.x≠0

C.x≠2x≠±1.          

D.x≠−2;x≠1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phương trình bậc nhất một ẩn có dạng

A.ax+b=0,a≠0

B.ax+b=0

D.ax+by=0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nghiệm của phương trình 2x−1=72x−1=7

A.x=0

B.x=3

C.x=4

D.x=−4

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