Действия с многочленами
Quiz
•
Mathematics
•
7th Grade
•
Hard
Галина Глебова
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Укажите общий множитель, который можно вынести за скобки в многочлене
9xz3 + 15x3z - 6x2z2
3xz3
9xz3
6x2
3xz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вынесите общий множитель за скобки :
-cx - cy
c(x+y)
- c(x+y)
-c(-x-y)
ну вот, я не знаю правильного ответа
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вынесите за скобки общий множитель
а(х - у) + Ь (у-х)
(а + Ь )(х - у)
ab(x - y)
ax - ay + by - bx
(a - b)(x - y)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Упростите выражение
3х2у(х - 5) - ху(3х2 - 5х) + 10х2у + 28х
и найдите его значение при х = 1/7 .
7
-7
-4
4
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Решите уравнение
Зx(x - 2)- x(Зx - 3) = 18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вынесите за скобки общий множитель:
(a - b)x - (a - b)y
(а - Ь)(х - у)
(a - b)xy
ax - bx - ay + by
(a - b)(x + y)
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Вычислите, используя вынесение общего множителя за скобки:
214*314-2142
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