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การแยกตัวประกอบของพหุนาม

Authored by รพีพรรณ ปัญญา

Mathematics

KG

Used 17+ times

การแยกตัวประกอบของพหุนาม
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแยกตัวประกอบของ x24x^2-4  

 (x+2)(x2)\left(x+\sqrt{2}\right)\left(x-\sqrt{2}\right)  

 (x+4)(x4)\left(x+\sqrt{4}\right)\left(x-\sqrt{4}\right)  

 (x+2)(x2)\left(x+2\right)\left(x-2\right)  

 (x+4)(x4)\left(x+4\right)\left(x-4\right)  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

จงแยกตัวประกอบของ x2121x^2-121  

 (x11)(x11)\left(x-\sqrt{11}\right)\left(x-\sqrt{11}\right)  

 (x11)(x+11)\left(x-\sqrt{11}\right)\left(x+\sqrt{11}\right)  

 (x11)(x+11)\left(x-11\right)\left(x+11\right)  

 (x+11)(x+11)\left(x+11\right)\left(x+11\right)  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

จงแยกตัวประกอบของ 36x24936x^2-49  


 (6x+7)(6x7)\left(6x+7\right)\left(6x-7\right)  

 (6x+7)(6x+7)\left(6x+7\right)\text{(6x+7)}  

 (6x9)(6x+9)\left(6x-9\right)\left(6x+9\right)  

 (6x+9)(6x+9)\left(6x+9\right)\left(6x+9\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  (x3)29จงแยกตัวประกอบของ\ \left(x-3\right)^2-9  

จงแยกตัวประกอบของ

 (x+3)(x9)\left(x+3\right)\left(x-9\right)  

 (x+6)(x12)\left(x+6\right)\left(x-12\right)  

 (x3)(x+9)\left(x-3\right)\left(x+9\right)  

 (x+9)(x+9)\left(x+9\right)\left(x+9\right)  

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

จงแยกตัวประกอบของพหุนามต่อไปนี้ 400x227400x^2-27  

 (20x27)(20x+27)\left(20x-\sqrt{27}\right)\left(20x+\sqrt{27}\right)  

 (20x33)(20x+33)\left(20x-3\sqrt{3}\right)\left(20x+3\sqrt{3}\right)  

 (20x23)(20x2+3)\left(20x^2-3\right)\left(20x^2+3\right)  

 (20x233)(20x2+33)\left(20x^2-3\sqrt{3}\right)\left(20x^2+3\sqrt{3}\right)  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

จงแยกตัวประกอบของพหุนามต่อไปนี้ 12521x2125-21x^2  

 (55+21x)(5521x)\left(5\sqrt{5}+21x\right)\left(5\sqrt{5}-21x\right)  

 (25+21x)(2521x)\left(25+21x\right)\left(25-21x\right)  

 (55+21x)(5521x)\left(5\sqrt{5}+\sqrt{21}x\right)\left(5\sqrt{5}-\sqrt{21}x\right)  

 (105+21x)(10521x)\left(10\sqrt{5}+21x\right)\left(10\sqrt{5}-21x\right)  

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 5x25-x^2  จงแยกตัวประกอบของพหุนามต่อไปนี้

 (5x)(5x)\left(5-x\right)\left(5-x\right)  

 (5x)(5+x)\left(5-x\right)\left(5+x\right)  

 (5x)(5x)\left(\sqrt{5}-x\right)\left(\sqrt{5}-x\right)  

 (5x)(5+x)\left(\sqrt{5}-x\right)\left(\sqrt{5}+x\right)  

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