Добуток суми та різниці двох виразів
Authored by Antonina B
Mathematics
7th Grade
Used 4+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
( х - 7)(7 + х ) =
Х2 + 7
(Х - 7)2
Х2 - 49
Х2 + 49
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(4b - 1)(4b + 1)
4b2 - 2
16b2 -1
4b2 - 1
16b - 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Обрати правильну відповідь
(a - b)(a + b) = a2 + b2
(a - b)(a + b) = a2 - 2ab + b2
(a - b)(a + b) = a2 + 2ab + b2
(a - b)(a + b) = a2 - b2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(3x - 5)(5 + 3x) =
9x2 - 25
3x2 - 25
9x2 - 15
3x2 - 15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(6q - 4)(4 + 6q) =
36q2 - 16
6q2 - 16
36q2 - 24
6q2 - 24
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