
Teste sem título
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Cleonice Carvalho Leão De Gouveia
Used 7+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual dos pares de termos abaixo é composto por termos semelhantes?
7𝑥𝑦 e 7𝑥𝑦²
5𝑚𝑛² e 3𝑚𝑛
6𝑝²𝑞 e – 3𝑞𝑝²
4𝑎²𝑏 e – 2𝑎𝑏²
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A soma da expressões algébricas (3𝑥 + 2) + (4𝑥 − 5) é:
9𝑥 − 3
3𝑥 + 2
7𝑥 + 10
7𝑥 − 3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A soma da expressão algébrica (2𝑥 + 3) + (5𝑥 + 7) é:
7𝑥 + 10
9𝑥 − 3
7𝑥 − 3
3𝑥 + 2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine se a sentença (2,5𝑥 − 1,4𝑦 ) + (1,3𝑥 + 0,6𝑦 ) = 3,8𝑥 + 0,8y é verdadeira ou falsa.
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine se a sentença é verdadeira ou falsa (4,7𝑚 + 2,2𝑛) − (3,1𝑚 − 1,8𝑛) = 1,6𝑚 + 4n
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual das expressões abaixo representa a aplicação da propriedade distributiva com resultado correto?
3(𝑥 ² + 4) = 3𝑥² + 4
− (5 − 1 )= −5 − 1
2(4 + 𝑦) = 8 + 2y
2(3 − 7) = 6 + 14
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é a Área de 3𝑥 ⋅ (4𝑥 − 2)
12 x - 6x
12x² + 6x
12x² + 6
12x² - 6x
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