Формулы сокращенного умножения
Authored by Анна Кайдина
Mathematics
7th Grade
Used 11+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Возведите в куб двучлен 3х + 2:
27x3 +54x2 +12x+8
9x3 +18x+8
27x3 +18x2 +12x+8
27x3 +54x2 +36x+8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Представьте в виде степени: 25x2 + 40xy + 16y2
(25x+4y)2
(25x+16y)2
(5x+4y)2
(5x-4y)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выполните возведение в квадрат: (7b + b5)2
49b2 +7b6 +b10
7b2 +14b6 +7b10
49b2 +14b6 +b10
49b2 +14b6 +b25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите на множители а4b3 - a5b4
a5b4(b2 - a2)
a4b2(b2 - a2)
a4b3(1 - ab)
a4b2(b - ab2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите на множители a(2 + b) + b + 2
(b + 2)(a + 1)
(b + 2)a
(2 + b)(a - 1)
(2 + b)(1 - a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите на множители 5x - 5y - ax + ay
(x - y)(a - 5)
(x - y)(5 - a)
(x - y)(a + 5)
(y - x)(5 + а)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Упростите выражение: (4у+3)2−(4у+3)(4у−3)
24у+18
12у+2
12у
24у2
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