
331利用提公因式與乘法公式做因式分解
Authored by 洪榮忠 新湖國中
Mathematics
8th Grade
Used 8+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
若多項式A、B、C,存在 A =BC ,則下列敘述何者恆正確?
A 是C 的倍式
C 是B 的因式
B 是A 的倍式
A 是B 的因式
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
ab+ac = a(b+c)
上式中,由左至右的過程,稱為
展開化簡
因式分解
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
平方差公式 (a+b)(a—b) = a2—b2
上式中,由左至右的過程,稱為
展開化簡
因式分解
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
因式分解25x2 + 5x
5x(5x)
5x(5x + 1)
x(25x + 5)
25x(x + 1)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
因式分解 x2 + 2xy + y2
(x + y)2
(x - y)2
(x + y)(x - y)
(x + y)2 - 2xy
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
因式分解 x2 - 2xy + y2
(x + y)2
(x - y)2
(x + y)(x - y)
(x + y)2 - 2xy
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