LT Hằng đẳng thức đáng nhớ 1
Authored by Trang Ms
Mathematics
8th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x + 1)2 = ?
x2 + 2x + 1
x2 + 2x + 2
x2 + x + 1
x2 + x + 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2x + 1)2 = ?
x2 + 2x + 1
4x2 + 2x + 2
4x2 + 4x + 1
4x2 + 4x + 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2x - 1)2 = ?
4x2 + 2x - 1
4x2 + 2x + 2
4x2 - 4x + 1
4x2 + 4x + 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2x - 3)2 = ?
4x2 - 12x + 9
4x2 - 12x - 9
4x2 - 6x + 9
4x2 + 12x + 9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2x + 3y)2 = ?
4x2 - 12xy + 9y2
4x2 + 12xy - 9y2
4x2 + 12xy + 9y2
4x2 - 12xy - 9y2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2x - 3y)2 = ?
4x2 - 12xy + 9y2
4x2 + 12xy - 9y2
4x2 + 12xy + 9y2
4x2 - 12xy - 9y2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(x - 3y)2 = ?
x2 - 6xy + 9y2
x2 + 6xy - 9y2
x2 + 6xy + 9y2
x2 - 6xy - 9y2
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