
Revisão de Matemática
Authored by Leonardo Resende
Mathematics
3rd Grade
Used 4+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As raízes da função quadrática f(x) = x2 - 10x + 16 são:
1 e 10
2 e 10
2 e 8
0 e 8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A parábola é um ente geométrico que representa o gráfico da função:
Linear
exponencial
quadrática
modular
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que o gráfico da função linear y = ax + b ser crescente, devemos ter:
a = 0
a > 0
a < 0
b > 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma das raízes da função y = x2 - 4x + 4 com a função linear y = 2x - 3, vale:
5,5
3,5
2,5
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A função do 1º grau cujo gráfico passa pelo ponto (2, 5) é:
y = 2x - 1
y = 2x + 1
y = x - 5
y = 3x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor mínimo da função quadrática y = x2 - 10x é o ponto:
20
- 25
30
100
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A derivada da função posição nos fornece a fórmula da:
Aceleração
Velocidade
Temperatura
Deslocamento
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