
Desvendando a Equação do Segundo Grau
Authored by MARILIA ALEIZ
Mathematics
12th Grade
Used 1+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral da equação do segundo grau?
ax² + b + c = 0
ax² + bx + c = 0
ax² + bxy + c = 0
a + bx + c = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique os coeficientes a, b e c na equação 2x² - 4x + 1 = 0.
a = 2, b = -4, c = 1
a = 1, b = -4, c = 2
a = -2, b = -4, c = 1
a = 2, b = 4, c = -1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação 3x² + 6x - 9 = 0.
x = 2
x = 0
x = -1
x = 1, x = -3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule as raízes da equação x² - 5x + 6 = 0 usando a fórmula de Bhaskara.
As raízes da equação são x1 = 5 e x2 = 0.
As raízes da equação são x1 = 4 e x2 = 1.
As raízes da equação são x1 = 6 e x2 = -1.
As raízes da equação são x1 = 3 e x2 = 2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de Δ (delta) na equação 4x² + 2x + 1 = 0?
-12
-4
2
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine as raízes da equação 5x² - 20 = 0.
x = 2 e x = -2
x = 3 e x = -3
x = 4 e x = -4
x = 1 e x = -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique os coeficientes da equação -x² + 3x - 2 = 0.
a = -1, b = 0, c = 2
a = 0, b = 3, c = -2
a = -1, b = 3, c = -2
a = 1, b = -3, c = 2
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