中二級 因式分解 (十字相乘法)

中二級 因式分解 (十字相乘法)

8th - 9th Grade

10 Qs

quiz-placeholder

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中二級 因式分解 (十字相乘法)

中二級 因式分解 (十字相乘法)

Assessment

Quiz

Mathematics

8th - 9th Grade

Hard

Created by

朱 永軒

Used 16+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x2+5x+6x^2+5x+6

(x2)(x+3)\left(x-2\right)\left(x+3\right)

(x2)(x3)\left(x-2\right)\left(x-3\right)

(x+2)(x+3)\left(x+2\right)\left(x+3\right)

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x25x6x^2-5x-6  

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

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

 (x+2)(x+3)\left(x+2\right)\left(x+3\right)  

 (x2)(x3)\left(x-2\right)\left(x-3\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x27x+12x^2-7x+12  

 (x6)(x+2)\left(x-6\right)\left(x+2\right)  

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

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

 (x7)(x+12)\left(x-7\right)\left(x+12\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2x6x^2-x-6  

 (x2)(x+3)\left(x-2\right)\left(x+3\right)  

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

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

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x22x15x^2-2x-15  

 (x3)(x+5)\left(x-3\right)\left(x+5\right)  

 (x3)(x5)\left(x-3\right)\left(x-5\right)  

 (x+5)(x+3)\left(x+5\right)\left(x+3\right)  

 (x+3)(x5)\left(x+3\right)\left(x-5\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x25x14x^2-5x-14  

 (x7)(x+2)\left(x-7\right)\left(x+2\right)  

 (x2)(x7)\left(x-2\right)\left(x-7\right)  

 (x5)(x14)\left(x-5\right)\left(x-14\right)  

 (x+2)(x+7)\left(x+2\right)\left(x+7\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x2+9x+20x^2+9x+20  

 (x2)(x+10)\left(x-2\right)\left(x+10\right)  

 (x+5)(x+4)\left(x+5\right)\left(x+4\right)  

 (x5)(x4)\left(x-5\right)\left(x-4\right)  

 (x+2)(x+7)\left(x+2\right)\left(x+7\right)  

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