Quiz de Matemática - equação do 2º grau
Authored by Ana Vargas
Mathematics
9th Grade
Used 16+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das opções abaixo representa uma equação do 2º grau?
x + 4 = 3x - 10
x3 - 4x2 + 7x + 8 = 0
x2 - 5x + 6 = 0
0x2 + 3x + 7 = 0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Assinale a única opção que representa uma equação do 2º grau completa.
x2 + 8 = 0
3x2 - 7x + 0 = 0
x2 + 0x + 8 = 0
5x2 -7x + 10 = 0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação 5x2+7x +9 = 0 o coeficiente a vale quanto?
7
5
9
1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação x2+7x +9 = 0 o coeficiente a vale quanto?
1
7
9
2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação - x2 -7x +9 = 0 o coeficiente b vale quanto?
-1
9
7
-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação 5x2+7x +9 = 0 o coeficiente c vale quanto?
7
9
5
0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação 10x - 3x2 + 1 = 0 o coeficiente a vale quanto?
10
1
-3
0
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