Polinomios
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sabendo que A = (m2 + 4m – 5) e B= (– 3m2 + 12m – 1), o resultado de A + B é:
4m2 - 16m + 6
– 8m2 + 7m – 1
– 2m2 + 16m – 6
– 4m2 + 16m – 6
Tags
CCSS.HSA.APR.A.1
CCSS.HSA.SSE.B.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sabendo que A = ( x2 + 12x – 9 ) e B = (– 8x2 + 7x – 1), o resultado de A - B é:
9x2 + 5x - 8
-7x2 + 19x - 10
-9x2 - 5x + 8
7x2 - 19x + 10
Tags
CCSS.HSA.APR.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analisando a figura ao lado responda. 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:
3x + 4y + 2z
3x + 3y + z
3x + 2y + 3z
4x + 3y + 2z
Tags
CCSS.HSA.CED.A.2
CCSS.HSA.SSE.A.1
CCSS.HSA.SSE.B.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Analisando o polinômio 4x5 + 8x³ – x, podemos afirmar que o grau desse polinômio é igual a:
4
1
3
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
O polinômio que representa o perímetro do trapézio a seguir é:
11x
8x + 3
4x² + 2
11x – 3
Tags
CCSS.HSA.APR.A.1
CCSS.HSA.CED.A.2
CCSS.HSA.SSE.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
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:
Todas as afirmativas são verdadeiras.
Somente a afirmativa I é verdadeira.
Somente as afirmativas I e II são verdadeiras.
Somente a afirmativa II é verdadeira
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
O perímetro do polígono pode ser expresso pelo seguinte polinômio:
x³ + 3
10x + 4
11x – 3
8x + 4
Tags
CCSS.HSA.APR.A.1
CCSS.HSA.SSE.A.1
CCSS.HSA.SSE.B.3
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