
AVALIAÇÃO: monômios e polinômios
Mathematics
8th Grade
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor da soma algébrica 7a + 3a ?
10a
-4a
4a
-10a
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Um quadrado tem lado medindo 3x. Que monômio representa o perímetro desse quadrado?
6x
12x
8x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o grau do monômio -5x³y²z ?
4.º grau
5.º grau
6.º grau
Grau negativo
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Qual o valor do produto (-4x²y) . (-3xy) ?
-7xy
12x³y
-12x³y
12x³y²
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o monômio que é solução da potência (-8x)³?
-64x
24x
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Simplifique a expressões 15y − 4x + 3x + 12y − 20x .
6xy
27y − 21x
-6xy
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