
因式分解能力测试
Authored by die yang
Mathematics
8th Grade
Used 1+ times

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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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