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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

331利用提公因式與乘法公式做因式分解
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13 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

若多項式ABC,存在 A =BC ,則下列敘述何者恆正確?

A C 的倍式

C B 的因式

B A 的倍式

A 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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