Hằng đẳng thức lớp 8 | Quizalize

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Hằng đẳng thức lớp 8 | Quizalize

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Hằng đẳng thức lớp 8

Quiz by Phạm Ngọc Bích

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Q 1/7
Score 0
What is the result of the expression (a + b)(a - b)?
30
$a^2 - 2ab$
$a^2 - b^2$
$a^2 + 2ab - b^2$
$a^2 + b^2$
Q 2/7
Score 0
Which of the following is the expanded form of (2a + 3)^2?
30
$4a^2 + 12a + 9$
$2a^2 + 6a + 9$
$4a^2 + 6a + 9$
$4a^2 + 9$

7 questions

Q.

What is the result of the expression (a + b)(a - b)?

1

30 sec

Q.

Which of the following is the expanded form of (2a + 3)^2?

2

30 sec

Q.

Which of the following is the expanded form of (3x - 4)^2?

3

30 sec

Q.

What is the result of the expression (a + b)^2?

4

30 sec

Q.

What is the result of the expression (a - b)^2?

5

30 sec

Q.

Which of the following is the factorized form of x^2 - 6x + 9?

6

30 sec

Q.

Which of the following is the result of the expression (2x - 3)(2x + 3)?

7

30 sec

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