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perkalian aljabar

Authored by Dikey Utama

Mathematics

7th Grade

Used 2+ times

perkalian aljabar
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hasil dari 2a(-b2 + a2b - 3bc2)

2a-b2+2a2b-6abc

2a2b + 2a3b - 6ab2c

2ab2 + 2a3b - 6abc2

-2ab2 + 2a3b - 6abc2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hasil dari (3a - 5) (3a + 5)

9a2 - 15a - 25

3a2 - 25

9a2 - 25

6a2 - 25

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bentuk sederhana dari  2(2x2+3x4)-2\left(2x^2+3x-4\right)  adalah ....

 2x2+6x8-2x^2+6x-8  

 4x26x+8-4x^2-6x+8  

 4x2+6x8-4x^2+6x-8  

 4x26x8-4x^2-6x-8  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bentuk sederhana dari perkalian suku  \left(2x-3\right)\left(x+5\right)  adalah ....

 2x213x152x^2-13x-15  

 2x27x+152x^2-7x+15  

 2x2+13x+152x^2+13x+15  

 2x2+7x152x^2+7x-15  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hasil dari

 (5x+6)(2x1)=....\left(5x+6\right)\left(2x-1\right)=....  

 10x2+17x+610x^2+17x+6  

 10x217x610x^2-17x-6  

 10x2+7x610x^2+7x-6  

 10x27x+610x^2-7x+6  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sebuah persegi panjang panjangnya( 3a+b) cm dan lebarnya (2a+2b )cm. Keliling persegi panjang adalah...cm

6a + 3b

10a + 6b

12a + 6b

5a + 3b

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Suku-suku sejenis dari bentuk aljabar  6x2+6xy4y27x2+2xy+2y26x^2+6xy-4y^2-7x^2+2xy+2y^2  adalah ....

 6x2dan 6xy6x^2dan\ 6xy  

 6xy dan 2xy6xy\ dan\ 2xy  

 4y2 dan 2xy-4y^2\ dan\ 2xy  

 6x2 dan 4y26x^2\ dan\ -4y^2  

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