
ADIÇÃO E SUBTRAÇÃO DE POLINÔMIOS
Mathematics
8th Grade
10 Questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Analisando o polinômio 8x10 – 4x7 + 2x5 + 4x³ – 2x, podemos afirmar que seu grau é igual a
9
10
12
14
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Qual é a forma reduzida do polinômio 2x² - 5x³ + 3x - 5x² + 7x - 3 + 2x + 8?
5x3 + 7x2 + 12x – 5.
5x3 – 3x2 + 12x + 5.
– 5x3 – 3x2 + 12x + 5.
– 5x3 + 3x2 + 12x – 11.
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
O perímetro da figura pode ser representado pelo polinômio:
8X + 3
7X + 12
8X + 7
9X + 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Qual o resultado da adição (4x – 2) + (–3x + 1)?
x - 1
x + 3
7x - 2
7x + 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Qual o resultado da subtração do Polinômio (x2 – 7x + 1) – (3x2 – 7x + 4)
-2x2 - 3
12x2 – + 1
x2 – 3x + 4
4x2 – 14x + 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
O polinômio, na forma reduzida, que representa o perímetro da figura abaixo.
14x - 2y
14x + 2y
7x - 3y
3x - 7y
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
ESCREVA o polinômio –2x² + 5x – 2 – 3x³ + 2x – 1 na forma reduzida.
5x³ – 2y -3
3x³ – 6x² + 7x + 1
–3x³ – 2x² + 7x – 3
5x³ – 7x² + 10x – 3
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