Equações do 2º grau
Authored by LUIS HOLANDA
Mathematics
2nd Grade
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quais as raízes da equação: x² - 5x + 6 = 0?
5 e 6
2 e 3
-5 e 6
-2 e -3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quais as raízes da equação x² - 6x + 8 = 0
3 e 3
2 e -4
-2 e 4
4 e 2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quais as raízes da equação x² - 8x + 12 = 0 ?
3 e 4
6 e 2
-8 e 12
8 e 12
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Quais as raízes da equação x² - 12x + 20 = 0 ?
5 e 4
-12 e 20
-4 e 5
4 e -5
5.
MULTIPLE CHOICE QUESTION
20 sec • 3 pts
Quais as raízes da equação x² + 3x - 4 = 0 ?
-4 e 1
2 e 1
2 e -2
3 e -4
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Quais as raízes da equação (x + 2) (x - 4) = 0 ?
2 e -4
-2 e 4
0 e 2
0 e -4
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Quais as raízes da equação x² - 20x + 100 = 0 ?
-20
20
100
10
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