
RETOMADA DE CONTEÚDOS_ 9ºano_EQUAÇÕES DO 2ºGRAU
Authored by HELEN BARCELOS
Mathematics
9th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Analise as equações do segundo grau a seguir:
I. 2 x2 - 8 = 0
II. 3 x2 + 2x -3 = 0
III. 5 x2 - 2x = 0
Podemos classificar a equação como uma equação completa:
somente na afirmativa I.
somente na afirmativa II.
somente na afirmativa III.
somente nas afirmativas I e III.
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
S = { -2, 2}
S = { -1, 1}
S = {0, 4}
S = { 4, 4}
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
S ={0 ; 5 }
S ={-5 ; 0 }
S ={5 ; 5 }
S ={0 ; 0 }
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
o coeficiente a = 8
o coeficiente b = 8
o coeficiente c = 8
o coeficiente c = 24
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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