Avaliação Mensal 8º ano A / B - Matemática
Quiz
•
Mathematics
•
8th Grade
•
Hard
JOAO PAULINO NETO
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor numérico da expressão 2x² – 5x + 9 quando x = -2?
9
11
15
27
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor numérico da expressão algébrica 5x + 2y², quando x = 2 e y = 3, é:
22
23
28
46
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A base de um triângulo mede 12 cm e a medida de sua altura corresponde a ¼ do comprimento de sua base. A área deste triângulo, em cm² é:
12
18
24
36
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a expressão algébrica que representa o volume do cubo a seguir?
125 x³
25 x³
15 x²
15 x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5- A imagem a seguir é uma representação do Pentágono, sede do Departamento de Defesa dos Estados Unidos. O que é o Pentágono?
Um edifício governamental dos Estados Unidos
Um monumento histórico
Um museu de arte
Um estádio esportivo
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Avalie as expressões que representam o perímetro do Pentágono e marque certo ou errado.
5·(10a+20)
(10a+20)+(10a+20)+(10a+20)+(10a+20)+(10a+20)
50a+100
50a+25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considerando a=25, determine o perímetro do Pentágono Americano e assinale a alternativa correta.
1000 mm
1250 mm
1350 mm
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