Prova de Recuperação
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Used 9+ times
FREE Resource
Enhance your content in a minute
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. Calcule o valor numérico da expressão
0,3 + 0,2 + [10,5 − (12,6 : 0,6 + 1,3 ⋅ 2,7)]
a) 16,51
b) -13,51
c) -5,08
d) 9,44
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2) (PROVA BRASIL). Em uma aula de Matemática, o professor apresentou aos alunos uma reta numérica como a da figura a seguir.
O professor marcou o número 4/11 nessa reta. Esse número foi marcado entre quais pontos da reta numérica?
a) – 4 e – 3.
b) – 3 e – 2.
c) 0 e 1.
d) 3 e 4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3. Determine, em notação científica, a massa do átomo de hidrogênio que é igual a;
0,00000000000000000000000166g.
a) 16,6 x 10-25 g
b) 166 x 10-23 g
c) 1,66 x 10-24 g
d) 1,66 x 10-23g
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4. Considere as expressões:
I ) (a + b) ² = (a + b)(a + b)
II) (a + b)² = a² + b²
III) (a + b)² = a² + 2ab + b²
Então:
a) Todas estão corretas.
b) Apenas a afirmativa I está correta.
c) As alternativas I e II estão corretas.
d) As alternativas I e III estão corretas
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5. A aplicação correta do produto notável na expressão ( a – 2b) . (a + 2b) é:
a) a² - 2b²
b) a² - 4ab + b²
c) a² - 4b²
d) a² - 4ab + 4b²
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