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พหุนาม ม.2

Authored by Jirawan Akewannung

Mathematics

8th Grade

Used 653+ times

พหุนาม ม.2
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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ผลลัพธ์ของ 12x2+6x2+(−8x2)12x^2+6x^2+\left(-8x^2\right)  คือข้อใด

 10x610x^6  

 10x210x^2  

 10x10x  

 2x22x^2  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x2+2y2)+2x2  เท่ากับข้อใด\left(x^2+2y^2\right)+2x^2\ \ เท่ากับข้อใด  

 2x2+3y22x^2+3y^2  

 2y2+2x42y^2+2x^4  

 2x2+2y22x^2+2y^2  

 3x2+2y23x^2+2y^2  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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 x2−(2x+1)x^2-\left(2x+1\right)  เท่ากับข้อใด

 x2+2x+1x^2+2x+1  

 x2−2x−1x^2-2x-1  

 x2+2x−1x^2+2x-1  

 2x2−2x+12x^2-2x+1  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x2−3x−1)+(4x2+5)\left(x^2-3x-1\right)+\left(4x^2+5\right) 

 เท่ากับข้อใด

 6x2+3x−46x^2+3x-4  

 6x2−3x+46x^2-3x+4  

 6x2−3x−46x^2-3x-4  

 6x2+3x+46x^2+3x+4  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (13x2−10x+8)−(11x2−9x−7)\left(13x^2-10x+8\right)-\left(11x^2-9x-7\right)  
เท่ากับข้อใด

 2x2−19x+12x^2-19x+1  

 2x2+x+12x^2+x+1  

 2x2−x−152x^2-x-15  

 2x2−x+152x^2-x+15  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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 (2x2−6x−5)−(x2−3x−5)\left(2x^2-6x-5\right)-\left(x^2-3x-5\right)  
เท่ากับข้อใด

 x2−3xx^2-3x  

 x2+3xx^2+3x  

 −x2−3x-x^2-3x  

 −x2+3x-x^2+3x  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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 (2x−3)(x+2)\left(2x-3\right)\left(x+2\right)  เท่ากับข้อใด

 2x2−x−62x^2-x-6  

 2x2−x+62x^2-x+6  

 2x2+x−62x^2+x-6  

 2x2+x+62x^2+x+6  

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