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Алгебр

Authored by azzaya tserenjav

Mathematics

8th Grade

Used 4+ times

Алгебр
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12 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 p2q2=  p^2-q^2=\ \   


 (pq)(pq)\left(p-q\right)\left(p-q\right)  

 (p+q)(p+q)\left(p+q\right)\left(p+q\right)  

 (pq)(p+q)\left(p-q\right)\left(p+q\right)  

 (pq)2\left(p-q\right)^2  

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 4r2....+9u2=4r^2-....+9u^2=  

 36ru36ru  

 36ur-36ur  

 12ru-12ru  

 12ru12ru  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 169s2256f2=169s^2-256f^2=  

 (13s14f)(13s+14f)\left(13s-14f\right)\cdot\left(13s+14f\right)   (13s14f)(13s+14f)\left(13s-14f\right)\cdot\left(13s+14f\right)  

 (sf)(s+f)\left(s-f\right)\left(s+f\right)  

 (13s16f)(13s+16f)\left(13s-16f\right)\left(13s+16f\right)  

 (13s16f)(13s16f)\left(13s-16f\right)\left(13s-16f\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 10x+1=5\frac{10}{x+1}=5  тэгшитгэл бод 

 x=1x=1  

 x=5x=-5  

 x=5x=-5  

 x=1x=-1  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cxcy+bxby бүлэглэх аргаар үржигдэхүүнд задал cx-cy+bx-by\ бүлэглэх\ аргаар\ үржигдэхүүнд\ задал\   

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

 (xy)(cb)\left(x-y\right)\left(c-b\right)  

 (xy)(c+b)\left(x-y\right)\left(c+b\right)  

 (xb)(y+c)\left(x-b\right)\left(y+c\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+xyx:xy+y2y\frac{x^2+xy}{x}:\frac{xy+y^2}{y}  үйлдлийг гүйцэтгэ 

 11  

 xy\frac{x}{y}  

 x+yx+y\frac{x+y}{x+y}  

 xyxy  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2a22b23a+3b6a26b2a22ab+b2  үйлдлийг гүйцэтгэ \frac{2a^2-2b^2}{3a+3b}\cdot\frac{6a^2-6b^2}{a^2-2ab+b^2}\ \ үйлдлийг\ гүйцэтгэ\   

 (a+b)\left(a+b\right)  

 (ab)\left(a-b\right)  

 4(a+b)4\left(a+b\right)  

 4(ab)4\left(a-b\right)  

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