Aulão ADR2 - 9° ano - 2024 - Matemática

Quiz
•
Mathematics
•
9th Grade
•
Hard
Jessica Vianna
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dada a equação x² -100 = , o seu conjunto solução é
S = {10}
S = {100}
S = {10,-10}
S = {1000, - 1000}
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Veja a expressão algébrica (X + 5) (X - 2). Essa expressão é definida por
x² + 3
x² - 3x + 10
x² + 3x - 10
3x - 10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
João irá comprar um celular que custa R$ 820,00. Caso pague à vista, receberá um desconto de 3%. Sabendo que ele pagou o celular à vista, quanto foi o valor final desse aparelho?
R$ 24,60.
R$ 795,40.
R$ 817,00.
R$ 844,60.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Veja a expressão algébrica abaixo.
2x^2y
10x^5y^3
4xy . (2xy - xy)
2x^2y . (3x - 2y)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Veja a operação entre os monômios.
6mn√30
15√mn
5mn√10
180 mn
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Veja a equação abaixo.
S = {2,15}.
S = {-15}.
S = {-3,5}.
S = {3, -5}.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Veja a expressão algébrica abaixo. 64 - y² A forma fatorada dessa expressão é definida por
(64 - y)(64 + y)
64(1 - y²)
8(8 - y²)
(8 + y)(8 - y)
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