Recuperação - Prova Paraná - Matemática - 2º Trimestre
Quiz
•
Mathematics
•
8th Grade
•
Hard
MARIA ALINE RAMOS
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o grau do monômio 3x³y²z⁴?
8.
7.
6.
9.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analisando o polinômio 4x⁵ + 8x³ – x, podemos afirmar que o grau desse polinômio é igual a:
4
5
8
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere o polinômio P(x) = x³ + 2x² – 5x – 3. O valor da expressão 2 · P(1) é:
5
– 5
0
– 10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analise as afirmativas a seguir:
I — O grau de um polinômio é dado pelo maior coeficiente de suas variáveis.
II — O valor numérico de P(x) = 3x² – 4x + 2 quando x = 2 é 6.
III — O polinômio p(x) = 4x³ + 2x² – 1 possui grau 4.
Marque a alternativa correta:
Somente a afirmativa I é verdadeira.
Somente a afirmativa II é verdadeira.
Somente a afirmativa III é verdadeira.
Todas as afirmativas são verdadeiras.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O produto entre os polinômios A e B, sendo que A = 2x + 4 e B = 2x – 4, é igual a:
4x² - 16
4x² + 16
4x² + 8x + 16
4x² - 8x – 16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao multiplicar dois polinômios que possuem respectivamente grau 3 e grau 4, o resultado será um polinômio de grau:
7
12
26
64
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere os polinômios P(x) = 3x² + 5x + 7 e Q(x) = 2x² + 4x + 3. Qual é o polinômio resultante da soma P(x) + Q(x)?
5x² + 9x + 10
5x² + 9x + 14
5x² + 5x + 10
x² + 9x + 10
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