Умножение многочленов (сложное)
Authored by Вадим Румянцев
Mathematics
7th Grade
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(8n2 + 3n)(n - 1) =
8n3 - 5n2 - 3n
8n3 - 3n2 - n
8n3 - 5n2 + 3n
8n3 + 5n2 - 3n
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(3x2 - 7y2)(7x2 - 3y2) =
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(x + 4)(2x3 - 3x);
2x4 + 4x3 - 3x2 - 12x
2x4 - 8x3 - 3x2 + 12x
2x4 + 8x3 + 3x2 - 12x
2x4 + 8x3 - 3x2 - 12x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(5a2 + 2b)(a + 3b) =
5a3 + 15a2b + 2ab2 + 6b3
5a3 + 15a2b + 2ab2 - 6b3
5a3 + 6a2b + 2ab2 + 15b3
5a3 + 6a2b - 2ab2 + 15b3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(2x - 5)(3x2 + 4x);
6x3 - 7x2 -20x
6x3 - 8x2 - 15x
6x3 + 8x2 - 15x
6x3 + 15x2 - 8x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(4m + 5)(m2 - 2m);
4m3 - 8m2 + 5m2 - 10m
4m3 - 3m2 - 10m
4m3 + 10m2 - 10m
4m3 - 10m2 - 10m
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вычислите
(x - 2)(x2 + 5x + 6) =
x3 + 3x2 - 4x - 12
x3 + 3x2 - 12x + 12
x3 + 3x2 + 12x - 12
x3 + 3x2 + 12x + 12
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