O produto -2 . (-15x) é igual a
REVISÃO - Monômios/Polinômios

Quiz
•
Mathematics
•
8th Grade
•
Hard
Used 13+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-17x
17x
-30x
+30x
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O valor de x na equação 4x = 78 é:
16,5
18,6
19,4
19,5
3.
MATCH QUESTION
3 mins • 1 pt
Associe corretamente as sentenças com as suas respectivas expressões algébricas.
(A)
O dobro de um número somado com o seu triplo.
(D)
A quarta parte de um número.
(C)
A diferença entre um número e a sua quinta parte.
(B)
A metade de um número somado com a sua terça parte.
(E)
A soma de três números consecutivos.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6ab
4ab
-4ab
6a³b³
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
não há monômios semelhantes
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quando x = -7 e y = 13, a expressão 3x + 2y terá valor numérico igual a
+5
-5
+6
-4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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