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3-1-6(練習題)

3-1-6(練習題)

Assessment

Interactive Video

Education

8th Grade

Medium

Created by

余武蔚 余武蔚

Used 1+ times

FREE Resource

4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請問將代數式 (4-3x) 變號後,會得到下列哪一個結果?

3x-4

-(3x-4)

4+3x

-(4+3x)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將 (3x-4)(2x+1) - (3x-4)(x-5) 提出公因式 (3x-4) 後,括號內的剩餘項化簡結果為何?

x-4

x+6

3x+6

3x-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個等式是正確的?

(a-b) = (b-a)

(a-b) = -(b-a)

(a-b)^2 = -(b-a)^2

(a-b)^2 = (b+a)^2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將代數式 (2-3x)^2 + (6x-4) 變形後,下列哪一個選項是正確的?

(3x-2)^2 + 2(3x-2)

-(3x-2)^2 + 2(3x-2)

(3x-2)^2 - 2(3x-2)

(3x-2)^2 + 2(2-3x)

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