
Revisão ADR 9o ano 2o bim parte 1
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Tárcio Triani
Used 2+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As raízes da equação 3x(x - 2) = 0 são:
{3, 2}
{0, 2}
{3, -2}
{0, -2}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9x(9 - x)
(9 - x)(9 - x)
(9 + x)(9 + x)
(9 + x)(9 - x)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual equação abaixo é uma equação de 2º grau?
x + 9 = 0
2x - 6 = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma equação de 2º grau em que o discriminante Δ = 0 possui:
Duas raízes reais e diferentes
Duas raízes reais e iguais
Uma raiz real positiva e uma negativa
Nenhuma raiz real
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
S = {2, -8}
S = {0, 4}
S = {0, -4}
S = {0, 8}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8 e 7
-8 e 7
2 e 4
1 e 7
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