UN 4 -Expressões Algébricas - Avaliação Objetiva_

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Minhas Disciplinas / Meus cursos / EADNIVMAT20222 / Unidade 4: Expressões Algébricas
/ UN 4 - Avaliação Objetiva
Nivelamento Matemática
Iniciado em segunda, 19 set 2022, 16:53
Estado Finalizada
Concluída em segunda, 19 set 2022, 17:17
Tempo
empregado
24 minutos 50 segundos
Avaliar 16,00 de um máximo de 20,00(80%)
Questão 1
Incorreto
Atingiu 0,00 de 4,00
O valor numérico da expressão algébrica 4x + 10y², para x = 2 e para y = 3 é:
Escolha uma opção:
a.
88
b.
118
c.
108
d.
128

e.
98
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Questão 2
Correto
Atingiu 4,00 de 4,00
Questão 3
Correto
Atingiu 4,00 de 4,00
O valor numérico da expressão algébrica  x – 7x + y,  para x = –1 e y = –5 é:
Escolha uma opção:
a.
3

b.
–4
c.
1
d.
–13
e.
–3
2
Resolva a expressão [3.(x y).(x y)] : (x y ) e assinale a alternativa que apresenta a solução correta:
Escolha uma opção:
a.
3x

b.
x
c.
3x
d.
2x
e.
3x
2 2 2 2
2
2
3
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Questão 4
Correto
Atingiu 4,00 de 4,00
Questão 5
Correto
Atingiu 4,00 de 4,00
O valor numérico de 2x + 3y para x = 5 e y = – 5 é:
Escolha uma opção:
a.
-1
b.
-4
c.
-5

d.
-3
e.
-2
O valor numérico da expressão algébrica   + 3y, para x = 9, para y = -2 é:
Escolha uma opção:
a.
-4
b.
-1
c.
-2
d.
-3

e.
-5
x
−−√
◄ Unidade 4 - Vídeo 01
Seguir para...
Unidade 5 - Vídeo 01 ►
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