
Алгебра. Повторення вивченого матеріалу
Authored by Наталія Рафаловська
Mathematics
7th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Спростити вираз:
-0,3m ∙ 5n;
-1,5mn
-15mn;
1,5mn;
15mn
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Спростити вираз: 2(3х – 4) + 3(-4х + 7);
6x + 1;
-6x + 13
-12x + 13
18x + 13;
3.
OPEN ENDED QUESTION
2 mins • Ungraded
Довести тотожність:
2х – (х + 5) – 11 = х – 16;
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4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Розкрийте дужки (а- 3)2
a2 3a +9
(а-3)(а+3)
а2 - 6а +9
а2 +6а+9
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Подайте у вигляді многочлена вираз (7y - 6 )2:
49у2- 84 у+36
49у2 + 84у + 36
49 у2 - 42у - 36
49 у2 - 42у + 36
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Спростіть вираз 30xy -( 5x +3у)2
25x 2+9y 2;
60xy - 25x 2 + 9y2 ;
-25x 2 - 9y2 ;
60xy -25x 2 -9y2 .
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Спростити вираз : 8𝑎+19𝑎−28𝑎+3𝑎-6
2а +6
-2а -6
4а-6
2а - 6
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