Avaliação 8º ano 3º trimestre
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Used 2+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Luiz resolveu um exercício de adição de polinômios e obteve como resposta o polinômio: 5 – 4x² + x + 9x³.
A sua forma ordenada e seu respectivo grau são:
9x³ – 4x² + x + 5 e é do 3º grau
9x³ – 4x² + x + 5 e é do 6º grau
9x³ + 5 – 4x² + x e é do 3º grau
9x³ + 5 – 4x² + x e é do 1º grau
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Calcule o perímetro da figura
18a² + 38a
18a² + 28a
8a² + 38a
16a² + 38a
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Dados os polinômios, P = 7x² + 3x – 5 e Q = 2x² – 8x – 1, calcule P + Q
8x²- 5x - 6
9x²- 6x - 5
9x²- 5x - 6
9x²- 11x - 4
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Determine a subtração de 2xy2 - (x2-xy2+x)
xy² - x² - x
xy² + x² + x
3xy² - x² - x
3xy² + x² + x
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Determine o produto do monômio pelo polinômio 4x . (3x – 5y + 6) .
12x² -20xxy + 24
12x² +20xxy + 24
12x² -20xxy - 24
12x² -20xxy + 14
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
O volume de um paralelepípedo é dado pelo produto das medidas das três dimensões: comprimento, largura e altura desse sólido.
24y³ + 8y
24y³ + 8y²
24y³ - 8y
24y³ - 8y²
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Determine expressão algébrica que representa a área da figura
2x + xy
2x - xy
2x² + xy
2x² + y
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