Hằng đẳng thức

Hằng đẳng thức

8th Grade

20 Qs

quiz-placeholder

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Hằng đẳng thức

Hằng đẳng thức

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Suong Pham

Used 437+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

x2 - 4x +4

(x + 1)2

(2 + x)2

(x - 1)3

(x - 2)2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(3x - 1) (3x + 1) = ...

(3x - 1)2

9x2 - 1

3x2 -1

(3x + 1)2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

x2 + 2xy + y2 = (x - y)2

Đúng

Sai

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x2 - 2)(x4 + 2x2 + 4) = ...

(x - 2)3

(x - 2)2

x6 - 8

x3 - 8

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

-x3 + 6x2 - 12x + 8 = ...

(x -2)3

x3 - 8

x3 + 8

(2 - x )3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(-y2 + 3x)3 = 27x3 - 27x2y2 + 9xy4 - y6

Đúng

Sai

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Tìm x để (x + 2)2 - 9 =0

-5

5

1

-1

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