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พหุนาม

Authored by Nuttaka Chainoy

Mathematics

8th Grade

Used 10+ times

พหุนาม
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8 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  (x26x1)(2x26x+1) ผลลัพธ์ของ\ \left(x^2-6x-1\right)-\left(2x^2-6x+1\right)\ มีค่าเท่ากับข้อใด  

 x22-x^2-2  

 x2+2-x^2+2  

 x22x^2-2  

 x2+2x^2+2  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  (3x2+2x6)+(3x34x2x)(x2+7x3)ผลลัพธ์ของ\ \left(3x^2+2x-6\right)+\left(3x^3-4x^2-x\right)-\left(x^2+7x-3\right)มีค่าเท่าใด  

 3x32x2+9x93x^3-2x^2+9x-9  

 3x32x26x33x^3-2x^2-6x-3  

 3x3+9x123x^3+9x-12  

 3x3123x^3-12  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  (4x25x1)+(2x+5)(4x10) ผลลัพธ์ของ\ \left(4x^2-5x-1\right)+\left(2x+5\right)-\left(4x-10\right)\ มีค่าตรงกับข้อใด  

 4x27x64x^2-7x-6  

 4x2+x44x^2+x-4  

 4x27x+144x^2-7x+14  

 4x27x+164x^2-7x+16  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (2a1)(a23a+5)\left(2a-1\right)\left(a^2-3a+5\right)มีค่าตรงกับข้อใด  

 2a37a2+13a52a^3-7a^2+13a-5  

 2a37a213a+52a^3-7a^2-13a+5  

 2a37a2+13a+52a^3-7a^2+13a+5  

 2a37a213a52a^3-7a^2-13a-5  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  (x+2)(x23xy+y2) ผลลัพธ์ของ\ \left(x+2\right)\left(x^2-3xy+y^2\right)\ มีค่าตรงกัับข้อใด  

 x36x2y10xy2+3y3x^3-6x^2y-10xy^2+3y^3  

 x36x2y+10xy23y3x^3-6x^2y+10xy^2-3y^3  

 x36x2y10xy23y3x^3-6x^2y-10xy^2-3y^3  

 x36x2y+10xy2+3y3x^3-6x^2y+10xy^2+3y^3  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

   (30x518x3+6x2+6x)÷(6x) ผลลัพธ์ของ\ \left(30x^5-18x^3+6x^2+6x\right)\div\left(-6x\right)\ เท่ากับข้อใด  

 5x43x2+x+1-5x^4-3x^2+x+1  

 5x4+3x2+x+1-5x^4+3x^2+x+1  

 5x43x2x+1-5x^4-3x^2-x+1  

 5x4+3x2x1-5x^4+3x^2-x-1  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 5x2+8x+4  x+2 5x^2+8x+4\ หารด้วย\ x+2\ เท่ากับข้อใด  

 5x+2  85x+2\ เศษ\ 8  

 5x2  85x-2\ เศษ\ 8  

 5x+3  25x+3\ เศษ\ 2  

 5x3  25x-3\ เศษ\ 2  

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