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ม.3 แยกตัวประกอบพหุนามดีกรีสูงกว่าสอง2

Authored by Phanlop Boonputh

Mathematics

9th Grade

Used 76+ times

ม.3 แยกตัวประกอบพหุนามดีกรีสูงกว่าสอง2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x31x^3-1  

 (x1)(x2+x+1)\left(x-1\right)\left(x^2+x+1\right)  

 (x+1)(x2x+1)\left(x+1\right)\left(x^2-x+1\right)  

 (x1)(x2x+1)\left(x-1\right)\left(x^2-x+1\right)  

 (x+1)(x2+x+1)\left(x+1\right)\left(x^2+x+1\right)  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 y3216y^3-216  

 (y6)(y2+6y+36)\left(y-6\right)\left(y^2+6y+36\right)  

 (y6)(y26y+36)\left(y-6\right)\left(y^2-6y+36\right)  

 (y+6)(y26y+36)\left(y+6\right)\left(y^2-6y+36\right)  

 (y+6)(y2+6y+36)\left(y+6\right)\left(y^2+6y+36\right)  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 125y364125y^3-64  

 (5y4)(25y2+20y+16)\left(5y-4\right)\left(25y^2+20y+16\right)  

 (5y4)(5y2+20y+4)\left(5y-4\right)\left(5y^2+20y+4\right)  

 (5y+4)(5y220y+4)\left(5y+4\right)\left(5y^2-20y+4\right)  

 (5y+4)(25y220y+16)\left(5y+4\right)\left(25y^2-20y+16\right)  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 1,000216x31,000-216x^3  

 8(53x)(25+15x+9x2)8\left(5-3x\right)\left(25+15x+9x^2\right)  

 10(56x)(4+25x+9x2)10\left(5-6x\right)\left(4+25x+9x^2\right)  

 3(54x)(25+15x+9x2)3\left(5-4x\right)\left(25+15x+9x^2\right)  

 5(45x)(4+16x+9x2)5\left(4-5x\right)\left(4+16x+9x^2\right)  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 1,331y3343z31,331y^3-343z^3  

 (11y7z)(121y2+77yz+49z2)\left(11y-7z\right)\left(121y^2+77yz+49z^2\right)  

 (11y+7z)(121y277yz+49z2)\left(11y+7z\right)\left(121y^2-77yz+49z^2\right)  

 (11y7z)(121y277yz+49z2)\left(11y-7z\right)\left(121y^2-77yz+49z^2\right)  

 (11y+7z)(121y2+77yz+49z2)\left(11y+7z\right)\left(121y^2+77yz+49z^2\right)  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (4x+3)3125\left(4x+3\right)^3-125  

 2(2x1)(16x2+44x+49)2\left(2x-1\right)\left(16x^2+44x+49\right)  

 2(2x+1)(16x244x+49)2\left(2x+1\right)\left(16x^2-44x+49\right)  

 2(2x1)(16x244x+49)2\left(2x-1\right)\left(16x^2-44x+49\right)  

 (x1)(8x2+11x+7)\left(x-1\right)\left(8x^2+11x+7\right)  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 8(8x1)38-\left(8x-1\right)^3  

 (38x)(64x2+3)\left(3-8x\right)\left(64x^2+3\right)  

 (38x)(64x23)\left(3-8x\right)\left(64x^2-3\right)  

 (3+8x)(64x2+3)\left(3+8x\right)\left(64x^2+3\right)  

 (3+8x)(64x23)\left(3+8x\right)\left(64x^2-3\right)  

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