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因式分解

Total questions: 13

Worksheet time: 8mins

Name
Class
Date
1.

因式分解x2 - y2

a)

(x - y)2

b)

(x + y)2

c)

(x + y)(x - y)

d)

2(x - y)

2.

因式分解 x2 + 2xy + y2

a)

(x + y)2

b)

(x - y)2

c)

(x + y)(x - y)

d)

(x + y)2 + 2xy

3.

因式分解 x2 - 2xy + y2

a)

(x + y)2

b)

(x - y)2

c)

(x + y)(x - y)

d)

(x + y)2 - 2xy

4.

因式分解16x2 - 9

a)

(4x - 3)2

b)

(8x - 3)2

c)

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

d)

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

5.

因式分解4x2 - 25y2

a)

(2x - 5y)2

b)

(2x + 5y)2

c)

(2x + 5y)(2x - 5y)

d)

(4x + 25y)(4x - 25y)

6.

因式分解 4x2 + 28xy + 49y2

a)

(2x + 7y)2

b)

(2x - 7y)2

c)

(2x + 7y)(2x - 7y)

d)

xy(4x + 28 + 49y)

7.

因式分解 121x2 - 66xy + 9y2

a)

(11x + 3y)2

b)

(11x - 3y)2

c)

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

d)

xy(121x - 66 + 9y)

8.

因式分解4x2 - 100 (呢條深架,想清楚先答!)

a)

(2x - 10)2

b)

2(x - 5)2

c)

(2x + 10)(2x - 10)

d)

4(x - 5)2

9.

因式分解4x + 6y

a)

2(2x + 4y)

b)

2(2x + 3y)

c)

4(x + 2y)

d)

(2x + 3y)2

10.

因式分解5x2 + 25xy

a)

5(x2 + 5y)

b)

5x(x + 5y)

c)

x(5x + 25y)

d)

5xy(x + 5)

11.

因式分解25x2 + 5x

a)

5x(5x)

b)

5x(5x + 1)

c)

x(25x + 5)

d)

25x(x + 1)

12.

因式分解4ax + 10ay + 2x + 5y

a)

(2x + 5y)(2a + 1)

b)

2a(2x + 5y)

c)

7xy(2a + 1)

d)

(2x + 5y)(4a + 1)

13.

因式分解 4x2 - 9y2 - 2x - 3y

a)

(2x + 3y)(2x - 3y - 1)

b)

(2x + 3y)(2x - 3y + 1)

c)

(2x - 3y)(2x + 3y - 1)

d)

(2x - 3y)(2x + 3y + 1)