8° Ano: Expressão Algébrica - Monômio - Polinômio.

Quiz
•
Mathematics
•
8th Grade
•
Hard
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Usando as letras X e Y, escreva a expressão referente, a seguir:
"O triplo de X adicionado do quádruplo de Y"
A) 2X - 3Y
B) 2X + 3Y
C) 3X - 4Y
D) 3X + 4Y
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2) O transporte escolar da escola "Brincando Feliz", cobra uma taxa fixa de 12 reais e mais R$ 1,80 por quilômetro rodado. Qual a expressão que representa o preço cobrado no transporte?
A) P= 12 + 1,80x
B) P= 12 + 1,20x
C) P= 12 - 1,80x
D) P=12 - 1,20x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3) Qual é o monômio que representa o perímetro de um retângulo ABCD, onde o comprimento mede 7ax e a largura mede 2ax?
A) 9ax
B) 14ax
C) 16ax
D) 18ax
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4) Adicione algebricamente os monômios:
40xy - 20xy + 6xy - 10xy
A) 6xy
B) 16xy
C) 20xy
D) 34xy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5) Qual é o volume de um paralelepípedo que possui 8x de comprimento, por 3x de largura e 5x de altura?
A) 120 x^3
B) 175 x^2
C) 209 x^4
D) 250 x^6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6) Qual é a sétima potência do monômio 3x^2?
A) 9 x^2
B) 981 x^10
C) 1457 x^12
D) 2187 x^14
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7) A divisão correta do monômio a seguir é:
( - 483 abc ) : ( + 21 ac)
A) + 20 ac
B) - 21 ab
C) - 23 b
D) + 25 abc
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