Imersão Matemática
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Joao Neves
Used 8+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Fatore o trinômio x²−8x+16.
(x+4)²
(x-4)²
(x-8)²
(x-2)²
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
S = {-2, 2}
S = {-4, 4}
S = {-1, 1}
S = {0, 4}
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Dada a equação -x² -4x +5 = 0, podemos afirmar que o conjunto de soluções dessa equação é:
x’ = 2 e x” = - 1
x’ = -10 e x” = -1
x’ = -5 e x” = 1
x’ = 5 e x” = 1
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Num balancete de uma empresa consta que certo capital foi aplicado a uma taxa de 30% ao ano durante 8 meses, rendendo juros simples no valor de R$ 192,00. O capital aplicado foi de:
R$ 288,00.
R$ 880,00.
R$ 960,00.
R$ 2.880,00.
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Um capital de R$ 2500 foi investido a juros compostos durante 36 meses, com a taxa de juros de 12% a.a. Os juros gerados por esse capital foram de:
R$ 3512,32
R$ 3400
R$ 2520,25
R$ 1012,32
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