Expressões algébricas e Equações
Quiz
•
Mathematics
•
7th Grade
•
Hard
MURILO VIEIRA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é o coeficiente numérico do termo - 17ab²?
+17
- 17
+2
+34
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual das expressões algébricas representa uma o perímetro da figura?
14x
12x + 2
6x + 1
4x + 3x
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual das opções é uma expressão simplificada de 4x + x + x + 2x + x + 2?
6 + 3x
11x
9x + 2
6x + 2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quando x = -7, a expressão 3x + 21 terá valor numérico igual a
42
21
-21
0
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uma expressão formada por números, letras e operações ou somente por letras é chamada de
Expressão numérica
Expressão algébrica
Expressão fracionária
Expressão equacionária
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A diferença do quadrado e o quádruplo de um número K, pode ser escrito algebricamente como
4K - 4K
K - 4K
4K² - 4k
K² - 4K
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual das seguintes expressões é uma equação?
b > 2b + b
5 ≠ x + 3
8 - 2 = 6
5 . (y + 3) = 4 . (y - 2)
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