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F.2 Mathematics Enhancement 2025Feb

Authored by SR3 Kai

Mathematics

8th Grade

Used 2+ times

F.2 Mathematics Enhancement 2025Feb
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77 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Using your knowledge about identities to determine whether the following statement is correct.

使用有關身份的知識來確定以下陳述是否正確。

5 x + 4y = 9xy

CORRECT

NOT CORRECT

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Expand (x - 8) ( x - 8)

展開 (x - 8) ( x - 8)

x2 - 64

x2 + 64

x2 - 16x + 64

x2 + 16x + 64

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Expand ( x + 2)2.

展開 ( x + 2)2

x2 + 22

x2 + 2x +2

x2 + 4x +2

x2 + 4x +4

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Expand (x +5)(x−5).

展開 (x +5)(x−5)。

x2−5

x2+5

x2+25

x2−25

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Expand (x−4)2.

展開 (x−4)2

x2 −8x+16

x2 −8x−16

x2 +8x+16

x2 −16

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Expand (2x + 3)2.

展開 (2x + 3)2

2x2 +12x + 6

2x2 +12x + 9

4x2 +12x + 9

4x2 +12x + 6

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Expand (4x − 5)(4x + 5).

展開 (4x − 5)(4x + 5)。

4x2 − 25

4x2 + 25

16x2 + 25

16x2 − 25

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