
9º Ano - Probabilidade/Produto Notável
Authored by Caio Biagiotto
Mathematics
9th Grade
Used 15+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
- 5 - 6 =
+1
-1
-11
+11
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
4x² - x = 0
a = 2
b = 0
b = 1
b = -1
b = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
(x + y).(x - y) =
x² - y²
x² - 2xy + y²
x² + 2xy + y²
(x - y)²
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
x² = 1
x = 0
x = 1
x = 2
x = -1 e x = 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
x² + 9 = 0
Não tem solução real
x = -3
x = 3
x = -3 e x = 3
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
- 10 + 4 =
6
-6
-14
14
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
(x - y)²
x² - y²
x² - 2xy + y²
x² + 2xy + y²
(x - y)²
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