
Многочлены и их свойства
Authored by Шило Jjj
Mathematics
8th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Дан многочлен Р(х)=2х3-4х2+3х-5. Найти его значение при х=2.
0
-1
1
5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Определить степень многочленов: 12х2у3с-5ху2сd5+8х4у3а и 5001х5уаbс-3х2у2а2+7аb2c2.
7, 6
8, 7
9, 8
10, 9
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Дано два многочлена: А(х)=х2-1 и В(х)=х2+2. Найти сумму и произведение этих многочленов.
Сумма: 2x2 + 1; Произведение: x4 + x2 - 2
Сумма: 3x2 + 1; Произведение: x4 - 1
Сумма: x2 + 1; Произведение: x4 + 3
Сумма: 2x2 - 1; Произведение: x4 + 2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Дано два многочлена: А(х)=х2+3х+5 и В(х)=2х2-х+4. Найти сумму и произведение этих многочленов.
Сумма: 4x2 + 2x + 8; Произведение: 3x4 + 2x^3 + 5x2 + 6x + 12
Сумма: 2x2 + 4x + 7; Произведение: x4 + 3x3 + 6x2 + 10
Сумма: 3x2 + 2x + 9; Произведение: 2x4 + 5x3 + 7x2 - 5x + 8
Сумма: 5x2 + 3x + 10; Произведение: 4x4 - x3 + 9x^2 + 2x + 7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Записать в стандартном виде многочлен 3(ху2-(0,4х2+11ху2))-(-4,2х2).
-30xy2 + 3x2
3xy2 - 30x2
-4xy2 + 11x2
-11xy2 + 4x2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6) Упростите выражение -9у(у - 3) + 4,5у(2у - 4).
0
4.5y
9y
-9y
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Упростите выражение (3x + 2)(2х - 1) - (5х - 2)(х - 4).
x2 + 23x - 10
x2 + 20x + 10
2x2 + 10x - 5
x2 + 15x - 8
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