
MP_Conceitos Equação do 2º grau
Mathematics
9th - 12th Grade
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Qual das equações abaixo é considerada incompleta?
x² + 6x - 12 = 24
x² = 81 + 12x
64 + 16x = -x²
x² + 24x =12x
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2) Qual equação é considerada do 2° grau?
2x²+3x-8=2x²
4x²+3x³+x+6=3x³
x+4 = 3x
-3x + x² = x²
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3) Quais os coeficientes da equação: x + 3x² = 5
a = 1, b = 3, c= 5
a = 1, b = 3, c = - 5
a = 3 , b = 1 , c = 5
a = 3, b = 1, c = -5
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
4) Identifique uma equação do 2°grau incompleta.
0x² + 3 = 0
2x² + x = 9
x² - 8x = 0
x² - x = 3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5) Quando o delta é menor que zero, a equação:
Possui duas raízes reais distintas
Duas raízes reais iguais
Não existe solução no Conjunto dos Números Reais
Equação impossível
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6) Quando o delta é igual a zero, a equação possui:
Duas raízes reais distintas
Duas raízes reais iguais
Duas raízes que não pertencem ao conjunto dos números reais
Equação impossível
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
7) Delta é o:
Coeficiente da equação do 2°grau
Discriminante da equação do 2°grau
Resultado da equação do 2°grau
Resultado da raiz quadrada
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