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因数分解

Authored by Yuya Nishiyama

Mathematics

9th Grade

Used 77+ times

因数分解
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8 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 2x2x2x^2-x  

 2(x2x)2\left(x^2-x\right)  

 2(x2x)-2\left(x^2-x\right)  

 x(2x1)x\left(2x-1\right)  

 x(2xx)x\left(2x-x\right)  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x236x^2-36  

 (x+6)2\left(x+6\right)^2  

 (x+6)(x6)\left(x+6\right)\left(x-6\right)  

 (x6)2\left(x-6\right)^2  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x2+16x+64x^2+16x+64  

 (x+8)(x+8)\left(x+8\right)\left(x+8\right)  

 (x+8)2\left(x+8\right)^2  

 (x+16)(x+4)\left(x+16\right)\left(x+4\right)  

 (x+32)(x+2)\left(x+32\right)\left(x+2\right)  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 16a224a+916a^2-24a+9  

 (4x3)2\left(4x-3\right)^2  

 (4x+3)2\left(4x+3\right)^2  

 (4a3)2\left(4a-3\right)^2  

 (4a+3)2\left(4a+3\right)^2  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x2+7x+12x^2+7x+12  

 (x+4)(x+3)\left(x+4\right)\left(x+3\right)  

 (x4)(x3)\left(x-4\right)\left(x-3\right)  

 (x+6)(x+2)\left(x+6\right)\left(x+2\right)  

 (x+4)(x3)\left(x+4\right)\left(x-3\right)  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x26x+8x^2-6x+8  

 (x+4)(x+2)\left(x+4\right)\left(x+2\right)  

 (x+4)(x2)\left(x+4\right)\left(x-2\right)  

 (x4)(x2)\left(x-4\right)\left(x-2\right)  

 (x+8)(x1)\left(x+8\right)\left(x-1\right)  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 x2x2x^2-x-2  

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

 (x+2)2\left(x+2\right)^2  

 (x1)2\left(x-1\right)^2  

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

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