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NHÌN TRÚNG - GIƠ ĐÚNG

Authored by Hue Phan

Mathematics

9th Grade

Used 3+ times

NHÌN TRÚNG - GIƠ ĐÚNG
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5 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Câu 1: Phương trinh bậc nhất 1 ẩn (a-1).x + 3 = 0 có nghiệm duy nhất khi nào?

A. a = 1

B. a > 1

C. a < 1

2.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Câu 2: Nghiệm của bất phương trình -4x + 1 > 0 là:

B. x > 1

3.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

A. x < 2

4.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Câu 4. Phương trình (x + 5 )(x – 3 ) = 0 có nghiệm là

      A. x=-5; x = 3

B. x= 5; x = 3

C. x= 5; x = -3                

D. x = - 5; x = - 3

5.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

A. 4            

B. 34

C. -4  

D. -34

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