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Két tag x két tag

Authored by Magdolna Szép

Mathematics

8th - 9th Grade

Used 2+ times

Két tag x két tag
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9 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (x+1)(x+3)=\left(x+1\right)\cdot\left(x+3\right)=  

 x2+3x^2+3  

 x2+4x+3x^2+4x+3  

 x2+3x+4x^2+3x+4  

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (a2)(a+3)=\left(a-2\right)\cdot\left(a+3\right)=  

 a2+a+6a^2+a+6  

 a2+a6a^2+a-6  

 a26a^2-6  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (y+5)(y1)=\left(y+5\right)\left(y-1\right)=  

 y2+4y5y^2+4y-5  

 y25y^2-5  

 y24y+5y^2-4y+5  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (2x)(x+4)=\left(2-x\right)\left(x+4\right)=  

 x22x+8x^2-2x+8  

 x2+2x8-x^2+2x-8  

 x22x+8-x^2-2x+8  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (5y)(y+3)=\left(5-y\right)\left(y+3\right)=  

 y2+2y+15-y^2+2y+15  

 y2+2y+15y^2+2y+15  

 y22y+13-y^2-2y+13  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 (a+4)(4a)=\left(a+4\right)\left(4-a\right)=  

 a28a+16a^2-8a+16  

 168aa216-8a-a^2  

 16a216-a^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (2x5)(x3)=\left(2x-5\right)\left(x-3\right)=  

 2x26x+152x^2-6x+15  

 2x211x+152x^2-11x+15  

 2x2+152x^2+15  

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