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因式分解 Factorisation

Authored by Cheng Angela

Mathematics

7th - 12th Grade

Used 9+ times

因式分解 Factorisation
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

因式分解x2 - y2

(x - y)2

(x + y)2

(x + y)(x - y)

2(x - y)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

因式分解 x2 - 2xy + y2

(x + y)2

(x - y)2

(x + y)(x - y)

(x + y)2 - 2xy

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

因式分解16x2 - 9

(4x - 3)2

(8x - 3)2

(4x + 3)(4x - 3)

(8x + 3)(8x - 3)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

因式分解 121x2 - 66xy + 9y2

(11x + 3y)2

(11x - 3y)2

(11x + 3y)(11x - 3y)

xy(121x - 66 + 9y)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 11x24x 7=11x^2-4x\ -7=  

 (11x+7)(x1)\left(11x+7\right)\left(x-1\right)  

 (x7)(11x1)\left(x-7\right)\left(11x-1\right)  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 7y2+20y 3=7y^2+20y\ -3=  

 (7y+1)(y3)\left(7y+1\right)\left(y-3\right)  

 (7y1)(y+3)\left(7y-1\right)\left(y+3\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

因式分解4x + 6y

2(2x + 4y)

2(2x + 3y)

4(x + 2y)

(2x + 3y)2

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