Luyện tập 7 hằng đẳng thức đáng nhớ

Luyện tập 7 hằng đẳng thức đáng nhớ

8th Grade

29 Qs

quiz-placeholder

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Luyện tập 7 hằng đẳng thức đáng nhớ

Luyện tập 7 hằng đẳng thức đáng nhớ

Assessment

Quiz

Mathematics

8th Grade

Easy

Created by

thithutrang nguyen

Used 16+ times

FREE Resource

29 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a+b)2=\left(a+b\right)^2=  

 a2+2ab+b2a^2+2ab+b^2  

 a22ab+b2a^2-2ab+b^2  

 a2+2abb2a^2+2ab-b^2  

 a22abb2a^2-2ab-b^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (ab)2=\left(a-b\right)^2=  

 a2+2ab+b2a^2+2ab+b^2  

 a22ab+b2a^2-2ab+b^2  

 a2+2abb2a^2+2ab-b^2  

 a22abb2a^2-2ab-b^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (ab)3=\left(a-b\right)^3=  

 a3+3a2b+3ab2+b3a^3+3a^2b+3ab^2+b^3  

 a33a2b+3ab2+b3a^3-3a^2b+3ab^2+b^3  

 a33a2b+3ab2b3a^3-3a^2b+3ab^2-b^3  

 a3+3a2b3ab2+b3a^3+3a^2b-3ab^2+b^3  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a+b)3=\left(a+b\right)^3=  

 a3+3a2b+3ab2+b3a^3+3a^2b+3ab^2+b^3  

 a33a2b+3ab2+b3a^3-3a^2b+3ab^2+b^3  

 a33a2b+3ab2b3a^3-3a^2b+3ab^2-b^3  

 a3+3a2b3ab2+b3a^3+3a^2b-3ab^2+b^3  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a3+b3=a^3+b^3=  

 a3+3a2b+3ab2+b3a^3+3a^2b+3ab^2+b^3  

 (ab)(a2ab+b2)\left(a-b\right)\left(a^2-ab+b^2\right)  

 (ab)(a2+ab+b2)\left(a-b\right)\left(a^2+ab+b^2\right)  

 (a+b)(a2ab+b2)\left(a+b\right)\left(a^2-ab+b^2\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a3b3=a^3-b^3=  

 a3+3a2b+3ab2+b3a^3+3a^2b+3ab^2+b^3  

 (ab)(a2ab+b2)\left(a-b\right)\left(a^2-ab+b^2\right)  

 (ab)(a2+ab+b2)\left(a-b\right)\left(a^2+ab+b^2\right)  

 (a+b)(a2ab+b2)\left(a+b\right)\left(a^2-ab+b^2\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a2b2=a^2-b^2=  

 (a+b)(a+b)\left(a+b\right)\left(a+b\right)  

 (ab)(ab)\left(a-b\right)\left(a-b\right)  

 (ab)(a+b)\left(a-b\right)\left(a+b\right)  

 (a+b)(a2ab+b2)\left(a+b\right)\left(a^2-ab+b^2\right)  

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