
Questões Projeto
Authored by Ayrton Suzarte
Mathematics
9th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tem-se um fio elétrico desencapado próximo aos seguintes materiais:
I. Madeira seca.
II. Vidro.
III. Cobre.
IV. Alumínio.
Se o fio estiver em contato com esses materiais, quais deles conduzirá energia elétrica com facilidade, provocando choque elétrico a quem manipulá-los sem segurança?
Vidro e Cobre
Cobre e o Alumínio
Madeira seca e Vidro
Madeira seca e o alumínio
2.
MULTIPLE SELECT QUESTION
1 min • 5 pts
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6. As soluções da equação 4x² - 36 = 0, são:
-9 e 9
-3 e 3
Não tem raízes reais
20 e - 20
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Dada a equação x² – 2x +1 = 0, sabemos que ela só tem uma raiz real ou seja,
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A equação que representa a área do retângulo é:
4x² = 256
4x = 256
5x = 256
4x² + 256 = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A HIPOTENUSA no triângulo retângulo está representada pela letra:
a) a
b) c
c) b
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Observe a imagem e responda. O quadrado da hipotenusa é igual à soma dos quadrados dos catetos. Estamos nos referindo ao Teorema de Pitágoras.
CERTO
ERRADO
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