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តេស្តសប្ថាហ៍ទី១

Authored by NGS-PL MATH

Mathematics

8th Grade

Used 3+ times

តេស្តសប្ថាហ៍ទី១
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12 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

ពន្លាតកន្សោម  (x+1)2\left(x+1\right)^2  

 x2+x+1x^2+x+1    

 x2+1x^2+1  

 x2+2x+1x^2+2x+1  

 x22x+1x^2-2x+1  

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

ពន្លាតកន្សោម  (3y)2\left(3-y\right)^2  

 96y+y29-6y+y^2  

 9y29-y^2  

 9+y29+y^2  

 y25y+6y^2-5y+6  

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

ពន្លាតកន្សោម  (2ab)2\left(2a-b\right)^2  

 2a22abb22a^2-2ab-b^2  

 a2+2ab+b2a^2+2ab+b^2  

 4a2+4ab+b24a^2+4ab+b^2  

 4a24ab+b24a^2-4ab+b^2  

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

ពន្លាតកន្សោម (2x4)(x+3)\left(2x-4\right)\left(x+3\right)  

 2x2122x^2-12  

 2x2+2x122x^2+2x-12  

 2x2+6x122x^2+6x-12  

 2x24x122x^2-4x-12  

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

ពន្លាតកន្សោម (y1)(y2+y+1)\left(y-1\right)\left(y^2+y+1\right)  

 y3+1y^3+1  

 y31y^3-1  

 y3y21y^3-y^2-1  

 y3y+1y^3-y+1  

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

គណនាផលចែក 8x7+14x42x2\frac{8x^7+14x^4}{2x^2}  

 4x5+7x24x^5+7x^2  

 6x5+7x26x^5+7x^2  

 4x5+12x24x^5+12x^2  

 4x5+10x24x^5+10x^2  

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

គណនាផលចែក 15a4b3+35a6b55a2b3\frac{-15a^4b^3+35a^6b^5}{-5a^2b^3}  

 3a2b7a4b2-3a^2b-7a^4b^2  

 3a2+7a4b23a^2+7a^4b^2  

 3a27a4b23a^2-7a^4b^2  

 3a27a3b3-3a^2-7a^3b^3  

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