数と式 因数分解

数と式 因数分解

1st Grade

8 Qs

quiz-placeholder

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数と式 因数分解

数と式 因数分解

Assessment

Quiz

Mathematics

1st Grade

Hard

Created by

Shunji Nishikawa

Used 1+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 x249x^2-49  因数分解せよ。

 (x7)2\left(x-7\right)^2  

 (x+7)2\left(x+7\right)^2  

 (x49)2\left(x-49\right)^2  

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

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 a2+6a+9a^2+6a+9  を因数分解せよ。

 (a+3)2\left(a+3\right)^2  

 (a3)2\left(a-3\right)^2  

 (a+3)(a+3)\left(a+3\right)\left(a+3\right)  

 (a+3)(a3)\left(a+3\right)\left(a-3\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+6x7x^2+6x-7  を因数分解せよ。

 (x+1)(x7)\left(x+1\right)\left(x-7\right)  

 (x1)(x+7)\left(x-1\right)\left(x+7\right)  

 (x6)(x1)\left(x-6\right)\left(x-1\right)  

 (x+6)(x+1)\left(x+6\right)\left(x+1\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 a(xy)+3(yx)a\left(x-y\right)+3\left(y-x\right)  

 (a+3)(xy)\left(a+3\right)\left(x-y\right)  

 (a3)(xy)\left(a-3\right)\left(x-y\right)  

 (a+3)(x+y)\left(a+3\right)\left(x+y\right)  

 (a3)(yx)\left(a-3\right)\left(y-x\right)  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2x25x32x^2-5x-3  を因数分解せよ

 (2x1)(x3)\left(2x-1\right)\left(x-3\right)   

 (2x+1)(x3)\left(2x+1\right)\left(x-3\right)  

 (2x+3)(x1)\left(2x+3\right)\left(x-1\right)  

 (2x3)(x+1)\left(2x-3\right)\left(x+1\right)  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 a2+ab+2a+b+1a^2+ab+2a+b+1  を因数分解せよ

 13-13  

 (a+1)(a+b+1)\left(a+1\right)\left(a+b+1\right)  

 a(a+b+2)+b+1a\left(a+b+2\right)+b+1  

 (a+1)(a+b+2)\left(a+1\right)\left(a+b+2\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 x2y2+8y16x^2-y^2+8y-16  

 (x+y)(xy)8(y4)\left(x+y\right)\left(x-y\right)-8\left(y-4\right)  

 (xy+4)(x+y4)\left(x-y+4\right)\left(x+y-4\right)  

 (xy4)(x+y+4)\left(x-y—4\right)\left(x+y+4\right)  

 (xy4)(x+y4)\left(x-y-4\right)\left(x+y-4\right)  

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  x2+(2y+1)xx^2+\left(2y+1\right)x 

  
 +(y2)(y+3)+\left(y-2\right)\left(y+3\right)  



を因数分解せよ

 (x+y2)(x+y+3)\left(x+y-2\right)\left(x+y+3\right)  

 (x+y+3)(x+y2)\left(x+y+3\right)\left(x+y-2\right)  

 (x+y+5)(2x+y3)\left(x+y+5\right)\left(2x+y-3\right)  

 (2x+y3)(x+y+5)\left(2x+y-3\right)\left(x+y+5\right)