Вычислите значение многочлена
х2-2х-3 при х =-1.
Действия с многочленами
Quiz
•
Mathematics
•
8th Grade
•
Medium
Viktoria Petrova
Used 26+ times
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15 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
45 sec • 5 pts
Вычислите значение многочлена
х2-2х-3 при х =-1.
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Приведите выражение к многочлену стандартного вида:
5ру –( 4р2 +3у2 )-7ру + (12ру-3у2).
-4у2+24ру
-10у2+12ру
10ру-4р2-6у2
8ру-7р2-3у2
-4р2-6у2 +10ру
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Представьте в виде многочлена выражение: 3у2 (у3 + 1)
1 + 3у6
3у6 + 3у2
1 + 3у5
3у2 + 3у5
4.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Какие из выражений не являются многочленами?
a) 5а+b; б) 3а3+5b; в) 7а2·b·42.
a)
б)
в)
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Упростите: 9а – (3 – 5а).
4а – 3
4а + 3
14а – 3
14а + 3
6.
FILL IN THE BLANK QUESTION
2 mins • 5 pts
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
В выражении 6х2 - 9ху вынесли за скобки общий множитель -Зx. Какой двучлен остался в скобках?
2х - 3у
у + 2х
-2х - 3у
3у - 2х
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