
Avaliação de Matemática 2° trimestre
Authored by CLEOMAR TAUMATURGO DA SILVA
Mathematics
8th Grade
Used 5+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Qual é o polinômio que representa a seguinte situação:
Qual é o polinômio que representa a seguinte situação:
“Maria comprou 3 kg de abobrinha por x reais e 2 kg de chuchu por y reais. Quanto ela gastou?”
x+y reais
3x+2y reais
5xy reais
3x-2y reais
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
O perímetro da figura é:
18a²+38a
9a²+19a
28a²
23a²+10a
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Calcule esse produto:
4x . (3x – 5y + 6)
7x-9xy+10x
12x+20y+24x
12x²-20xy+24x
7x²+20xy+24
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Qua a raiz da equação :
x = 6
x = 7
x = 8
x = 9
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Suponha que o terreno comprado por um proprietário tenha a forma da figura acima e suas medidas sejam representadas, em unidades de comprimento, pelas variáveis X, Y e Z. A expressão algébrica que representa o perímetro desse terreno é:
2x + 3y + z
3x + 4y + 2z
3x + 3y + z
3x + 2y + 3z
6.
MATCH QUESTION
1 min • 5 pts
Combine o seguinte expressões algébricas com sua respostas :
- 2x3
3x2 + 5x2-10x2
-2x2
- 5x3 + 3x3
2x2
2x2.x
2x3
2x.x
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
O polinômio 3x2 – 4x5 + 2 é do :
2º grau
5ª grau
7º grau
8º grau
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