
Atividade geral para 3ª série
Quiz
•
Mathematics
•
3rd Grade
•
Hard
Leonardo Resende
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A maior raiz da função quadrática y = x2 - 10x + 16 é:
4
6
8
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que a função linear y = ax + b seja crescente, devemos ter:
Coeficiente linear maior que zero.
Coeficiente linear menor que zero.
Coeficiente angular maior que zero.
Coeficiente angular igual a zero.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parábola é um ente geométrico que representa o gráfico da função:
Logarítmica
Exponencial
Modular
Quadrática
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função linear cujos pontos A(2,5) e B(4,9) pertence a função:
y = 2x + 1
y = 2x - 1
y = 3x + 1
y = 2x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função do 2º grau que possui duas raízes e iguais é:
y = x2 - 4x + 4
y = x2 - 3x + 4
y = x2 - 4x - 5
y = x2 - 10x +16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor do sen â = cos â, quando â for igual a:
60º
90º
45º
30º
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O determinante da matriz identidade de ordem 2 é igual a:
1
- 1
0
2
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