
Equações do 2º Grau
Authored by josefh marques
Mathematics
12th Grade
Used 2+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma equação do 2º grau?
ax + b = 0
ax^2 + bx + c = 0
ax^3 + bx^2 + c = 0
ax^2 + b = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na equação 2x^2 - 5x + 3 = 0, quais são os valores de a, b e c?
a = 2; b = -5; c = 3
a = 1; b = 2; c = -1
a = 3; b = -4; c = 0
a = -2; b = 0; c = 32
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na equação x^2 + 2x - 1 = 0, quais são os valores de a, b e c?
a = 2; b = -5; c = 3
a = 1; b = 2; c = -1
a = 3; b = -4; c = 0
a = -2; b = 0; c = 32
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na equação 3x^2 - 4x = 0, quais são os valores de a, b e c?
a = 2; b = -5; c = 3
a = 1; b = 2; c = -1
a = 3; b = -4; c = 0
a = -2; b = 0; c = 32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na equação -2x^2 + 32 = 0, quais são os valores de a, b e c?
a = 2; b = -5; c = 3
a = 1; b = 2; c = -1
a = 3; b = -4; c = 0
a = -2; b = 0; c = 32
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo apresenta uma equação do 2º grau?
2x² – 7x + x³ = 0
2 – 5x + x² = 0
3x – 7 = 0
0x² – 3x = 1 = 0
3x² – 2x – 3x² + 5 = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a condição para que uma equação do 2º grau seja considerada completa?
a) a = 0
b) b = 0
c) c = 0
d) b ≠ 0 e c ≠ 0
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