
Adição e subtração de polinômios.
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Carlos Silva
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sinônimo de parecido, com dez letras.
SEMELHANTE
DIFERENTE
OPPOSTO
VARIADO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Agora que recordamos os monômios semelhantes e já sabemos o que são polinômios. Vamos observar o triângulo ao lado e encontrar o polinômio que representa seu perímetro. Lembre-se que na adição de polinômios só podemos usar os monômios semelhantes. Então, faça seus cálculos e escreva qual das respostas corresponde ao perímetro do triângulo: I, II ou III?
2a + 14
4a + 14
4a + 8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considerando os polinômios A = 3a² + 2ab - 2b e B = -2a² - 2ab + b, determine: A - B.
-5a² - 4ab + 3b
5a² + 4ab - 3b
5a² - 4ab + 3b
a² - b
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dado que A = 3a² + 2ab - 2b e B = -2a² - 2ab + b, determine: A + B
5a² + 4ab - 3b
a² + ab - b
5a² - 4ab + 3b
a² -b
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe as condições de pagamento para compra de Marina, analise as questões que serão apresentadas e marque as alternativas corretas: Escrevendo os polinômios para as condições de pagamento 1 e 2, encontramos, respectivamente, 2x + 5y e x + 3y.
2x + 5y e x + 3y
x + 2y e 2x + 3y
2x + 3y e x + 5y
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fazendo a diferença entre os polinômios 1 e 2 encontramos o polinômio: x + 2y.
x + 2y
2x + y
x - y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marina substituiu, na condição de pagamento 1, x por 1 000 e y por 500. Encontrou um valor para televisão menor que 5 000 reais.
Verdadeiro
Falso
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