ÔN TẬP

ÔN TẬP

6th - 8th Grade

10 Qs

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ÔN TẬP

ÔN TẬP

Assessment

Quiz

Mathematics

6th - 8th Grade

Practice Problem

Easy

Created by

Trần Lành

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phương trình nào là phương trình bậc nhất một ẩn :

0x + 2 = 0

x + 2y = 0

x – 2 = 0

2x2 + 1 = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x = 2 là nghiệm của phương trình nào :

2,5x = – 5

2,5x = 5

3x – 5 = 0

x + 2 = 0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2(x-1)

2(x-1)(x+1)

2(x+1)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3(x-2)

3(x+2)(x-2)

x-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong các cách viết sau, đâu là cách viết của hai phương trình tương đương

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phương trình x=6 có nghiệm là

x=6

x=-6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phương trình x-20=x-20 có tập nghiệm

S={40}

S={-40}

S=R

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