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因式分解能力测试

Authored by die yang

Mathematics

8th Grade

Used 1+ times

因式分解能力测试
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

提取公因式:将 6x^2 + 9x 提取公因式,结果是什么?

3(2x^2 + 3x)

6(x^2 + 1.5x)

2x(3x + 4)

3x(2x + 3)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

平方差公式:计算 (x + 5)(x - 5) 的结果。

x^2 - 25

x^2 + 5

x^2 - 10

x^2 + 25

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

完全平方公式:将 (2x + 3)^2 展开,结果是什么?

4x^2 + 6x + 9

4x^2 + 9

2x^2 + 12x + 3

4x^2 + 12x + 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

因式分解应用:将 x^2 - 16 因式分解,结果是什么?

(x - 2)(x + 2)

(x - 4)(x - 4)

(x - 8)(x + 8)

(x - 4)(x + 4)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

提取公因式:将 12xy + 8x 提取公因式,结果是什么?

3xy(4 + 2)

4x(3y + 2)

12(1y + 2x)

2x(6y + 4)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

平方差公式:计算 (3y + 4)(3y - 4) 的结果。

9y^2 - 8

6y^2 - 12

9y^2 + 16

9y^2 - 16

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

完全平方公式:将 (x - 2)^2 展开,结果是什么?

x^2 - 4x + 4

x^2 + 4x + 4

x^2 - 2x + 2

x^2 - 4x - 4

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